--- title: Discipline expansion subtitle: Primary source register shelf: Operating model url: https://library.feedthejoe.com/operating-model/discipline-source-register/ markdown: https://library.feedthejoe.com/operating-model/discipline-source-register.md author: Joseph W. Anady publisher: THATDEVELOPERGUY LLC status: "Expansion: Source linked operating design" summary: Reviewed 9 September 2026. These 49 source records supplement, not replace, the baseline S01 to S52 register. Some sources overlap intentionally so each expansion role has a self contained authority trail. published: 2026-09-09 reviewed: 2026-09-09 modified: 2026-10-14 release: 2026.09.12-g40 words: 1385 cites: - https://library.feedthejoe.com/reference/source-register/ rights: © 2026 THATDEVELOPERGUY LLC. All rights reserved. --- # Discipline expansion _Primary source register_ Reviewed 9 September 2026. These 49 source records supplement, not replace, the baseline S01 to S52 register. Some sources overlap intentionally so each expansion role has a self contained authority trail. Do not call the sum 101 unique references. The custom 26 role division, workflow gates, suggested briefs and routing rules are agency operating design, not mandates issued by these publishers. ## D01 · Monitoring distributed systems Publisher: Google SRE. [Primary source](https://sre.google/sre-book/monitoring-distributed-systems/). Observed: 2026-09-09. SLO oriented monitoring and user visible symptoms; no uptime assertion about Bubbles. ## D02 · NGINX beginners guide Publisher: NGINX. [Primary source](https://nginx.org/en/docs/beginners_guide.html). Observed: 2026-09-09. Configuration checks, processes and reverse proxy concepts; deployment specific paths must be discovered. ## D03 · Automating recovery with systemd Publisher: Red Hat. [Primary source](https://www.redhat.com/en/blog/systemd-automate-recovery). Observed: 2026-09-09. Service manager restart/recovery concepts; vendor tutorial, not proof of an installed unit. ## D04 · Domain names: concepts and facilities (RFC 1034) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/rfc/rfc1034.html). Observed: 2026-09-09. Authoritative and recursive DNS concepts; foundational specification with later updates. ## D05 · HTTP semantics (RFC 9110) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/rfc/rfc9110.html). Observed: 2026-09-09. HTTP method and response semantics; application response does not establish business delivery. ## D06 · What is a tailnet? Publisher: Tailscale. [Primary source](https://tailscale.com/docs/concepts/tailnet). Observed: 2026-09-09. Private tailnet membership and connectivity; tailnet success is not a public internet test. ## D07 · HTML forms Publisher: WHATWG. [Primary source](https://html.spec.whatwg.org/multipage/forms.html). Observed: 2026-09-09. Native form submission, constraints, labels and submit controls; client validation is not server validation. ## D08 · Browsers Publisher: Playwright. [Primary source](https://playwright.dev/docs/browsers). Observed: 2026-09-09. Supported engines and branded channels; WebKit automation is not a real Safari or iOS test. ## D09 · Web Vitals Publisher: Google web.dev. [Primary source](https://web.dev/articles/vitals). Observed: 2026-09-09. LCP, INP and CLS; field assessment differs from lab diagnostics. ## D10 · Defining the Core Web Vitals thresholds Publisher: Google web.dev. [Primary source](https://web.dev/articles/defining-core-web-vitals-thresholds). Observed: 2026-09-09. Good thresholds and 75th-percentile aggregation; not a universal conversion or ranking guarantee. ## D11 · Web Content Accessibility Guidelines 2.2 Publisher: W3C. [Primary source](https://www.w3.org/TR/WCAG22/). Observed: 2026-09-09. WCAG 2.2 success criteria and conformance requirements; AA is the project target, not a legal certification. ## D12 · Understanding conformance Publisher: W3C WAI. [Primary source](https://www.w3.org/WAI/WCAG22/Understanding/conformance). Observed: 2026-09-09. Whole pages, complete processes and human evaluation; no automated only full conformance claim. ## D13 · Google Search technical requirements Publisher: Google Search Central. [Primary source](https://developers.google.com/search/docs/essentials/technical). Observed: 2026-09-09. Minimum eligibility conditions; eligibility does not guarantee indexing or ranking. ## D14 · Make your links crawlable Publisher: Google Search Central. [Primary source](https://developers.google.com/search/docs/crawling-indexing/links-crawlable). Observed: 2026-09-09. Crawlable links and descriptive anchors; no prescribed universal link count. ## D15 · Evaluation in information retrieval Publisher: Manning, Raghavan and Schütze / Stanford. [Primary source](https://nlp.stanford.edu/IR-book/html/htmledition/evaluation-in-information-retrieval-1.html). Observed: 2026-09-09. Relevance judgments and retrieval evaluation; not disclosure of a commercial engine ranking algorithm. ## D16 · Person Publisher: Schema.org. [Primary source](https://schema.org/Person). Observed: 2026-09-09. Vocabulary for a real person; use truthful properties and exact identity links. ## D17 · Organization Publisher: Schema.org. [Primary source](https://schema.org/Organization). Observed: 2026-09-09. Organization identity vocabulary; do not convert internal roles into fictional employees. ## D18 · TechArticle Publisher: Schema.org. [Primary source](https://schema.org/TechArticle). Observed: 2026-09-09. Technical article vocabulary; vocabulary support does not establish a Google rich result feature. ## D19 · Structured data general guidelines Publisher: Google Search Central. [Primary source](https://developers.google.com/search/docs/appearance/structured-data/sd-policies). Observed: 2026-09-09. Accurate visible content and feature specific eligibility; valid JSON alone is insufficient. ## D20 · AI optimization guide Publisher: Google Search Central. [Primary source](https://developers.google.com/search/docs/fundamentals/ai-optimization-guide). Observed: 2026-09-09. Google AI Search retains core SEO foundations; no special llms.txt or schema requirement or ranking guarantee. ## D21 · Creating helpful, reliable, people first content Publisher: Google Search Central. [Primary source](https://developers.google.com/search/docs/fundamentals/creating-helpful-content). Observed: 2026-09-09. Original value, sources, authorship and first hand expertise; not a points based ranking formula. ## D22 · OpenAI crawlers Publisher: OpenAI. [Primary source](https://developers.openai.com/api/docs/bots). Observed: 2026-09-09. OAI-SearchBot, GPTBot and user triggered fetching have distinct purposes and controls. ## D23 · Does Anthropic crawl data from the web? Publisher: Anthropic. [Primary source](https://support.claude.com/en/articles/8896518-does-anthropic-crawl-data-from-the-web-and-how-can-site-owners-block-the-crawler). Observed: 2026-09-09. Engine specific crawl policies; inspect current agent specific controls rather than inherit Google assumptions. ## D24 · Perplexity crawlers Publisher: Perplexity. [Primary source](https://docs.perplexity.ai/docs/resources/perplexity-crawlers). Observed: 2026-09-09. Engine specific crawler and user fetch documentation; access is not proof of selection. ## D25 · Advertising FAQs: A guide for small business Publisher: US Federal Trade Commission. [Primary source](https://www.ftc.gov/business-guidance/resources/advertising-faqs-guide-small-business). Observed: 2026-09-09. US advertising substantiation principles; context specific legal review may still be needed. ## D26 · Endorsements, influencers and reviews Publisher: US Federal Trade Commission. [Primary source](https://www.ftc.gov/business-guidance/advertising-marketing/endorsements-influencers-reviews). Observed: 2026-09-09. Truthful endorsements and relevant disclosures; no invented testimonials or review provenance. ## D27 · Patterns of trustworthy experimentation: preexperiment stage Publisher: Microsoft Research. [Primary source](https://www.microsoft.com/en-us/research/articles/patterns-of-trustworthy-experimentation-pre-experiment-stage/). Observed: 2026-09-09. Define trustworthy experiment design before interpreting results; no universal sample size or uplift claim. ## D28 · Set up events Publisher: Google Analytics Developers. [Primary source](https://developers.google.com/analytics/devguides/collection/ga4/events). Observed: 2026-09-09. Event implementation and verification; emitting an event does not prove a qualified lead. ## D29 · Default channel group Publisher: Google Analytics Help. [Primary source](https://support.google.com/analytics/answer/9756891?hl=en). Observed: 2026-09-09. AI Assistant channel; Google AI Overviews and AI Mode classified in Organic Search in current documentation. ## D30 · Set up consent mode Publisher: Google for Developers. [Primary source](https://developers.google.com/tag-platform/security/guides/consent). Observed: 2026-09-09. Technical consent signaling; configuration alone does not establish legal permission. ## D31 · New AI visibility insights in Bing Webmaster Tools Publisher: Microsoft Bing. [Primary source](https://blogs.bing.com/search/June-2026/New-AI-Visibility-Insights-in-Bing-Webmaster-Tools-Intents-Topics-Citation-Share-Compare). Observed: 2026-09-09. June 2026 reporting expansion; citation measurements are not website conversions or revenue. ## D32 · Email sender guidelines Publisher: Google Workspace / Gmail. [Primary source](https://support.google.com/a/answer/81126?hl=en). Observed: 2026-09-09. Provider authentication and sending requirements vary by sending class; no guaranteed inbox placement. ## D33 · Simple Mail Transfer Protocol (RFC 5321) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/rfc/rfc5321.html). Observed: 2026-09-09. SMTP acceptance, relaying and failures; acceptance is distinct from final mailbox observation. ## D34 · Sender Policy Framework (RFC 7208) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/rfc/rfc7208.html). Observed: 2026-09-09. SPF authorization and evaluation; inventory legitimate senders before altering DNS. ## D35 · DomainKeys Identified Mail (RFC 6376) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/rfc/rfc6376.html). Observed: 2026-09-09. DKIM signatures and domain authentication; inspect results on received mail. ## D36 · DMARC (RFC 9989) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/rfc/rfc9989.html). Observed: 2026-09-09. May 2026 core DMARC specification, obsoletes RFCs 7489 and 9091. A pass does not guarantee inbox desirability. ## D37 · DMARC aggregate reporting (RFC 9990) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/info/rfc9990/). Observed: 2026-09-09. May 2026 aggregate reporting specification; data sensitivity and provider compatibility still require review. ## D38 · DMARC failure reporting (RFC 9991) Publisher: RFC Editor / IETF. [Primary source](https://www.rfc-editor.org/info/rfc9991/). Observed: 2026-09-09. May 2026 failure reporting specification; do not expose message data in public evidence. ## D39 · Guidelines for representing your business on Google Publisher: Google Business Profile. [Primary source](https://support.google.com/business/answer/3038177?hl=en). Observed: 2026-09-09. Real world representation, eligible businesses and locations; no fabricated offices or credentials. ## D40 · Spam policies for Google web search Publisher: Google Search Central. [Primary source](https://developers.google.com/search/docs/essentials/spam-policies). Observed: 2026-09-09. Link spam, doorway and scaled content abuse boundaries; public authority cannot be manufactured with false signals. ## D41 · Application Security Verification Standard Publisher: OWASP. [Primary source](https://owasp.org/www-project-application-security-verification-standard/). Observed: 2026-09-09. Application security verification requirements; tailor version and assurance scope before adopting controls. ## D42 · Web Security Testing Guide Publisher: OWASP. [Primary source](https://owasp.org/www-project-web-security-testing-guide/). Observed: 2026-09-09. Authorized security testing methodology; not permission to test third party production systems. ## D43 · Content Security Policy Level 3 Publisher: W3C. [Primary source](https://www.w3.org/TR/CSP3/). Observed: 2026-09-09. Working draft specification: report only and enforcement differ; test against actual browser support. ## D44 · Secure Software Development Framework 1.1 Publisher: NIST. [Primary source](https://csrc.nist.gov/pubs/sp/800/218/final). Observed: 2026-09-09. Final SP 800-218 v1.1; the v1.2 public draft is not substituted as a final standard. ## D45 · Release engineering Publisher: Google SRE. [Primary source](https://sre.google/sre-book/release-engineering/). Observed: 2026-09-09. Controlled, repeatable releases and rollback; actual release authorization is project specific. ## D46 · Evolving SRE engagement model Publisher: Google SRE. [Primary source](https://sre.google/sre-book/evolving-sre-engagement-model/). Observed: 2026-09-09. Production readiness review and operational ownership; custom role organization is an agency design. ## D47 · Plan your business Publisher: US Small Business Administration. [Primary source](https://www.sba.gov/counseling/plan-your-business/). Observed: 2026-09-09. Market/business planning overview; query demand and commercial fit require local evidence. ## D48 · Custom instructions with AGENTS.md Publisher: OpenAI. [Primary source](https://developers.openai.com/codex/guides/agents-md). Observed: 2026-09-09. Codex instruction discovery and hierarchy; a downloaded library does not install itself in another repository. ## D49 · Overview of Google crawlers and fetchers Publisher: Google. [Primary source](https://developers.google.com/crawling/docs/crawlers-fetchers/overview-google-crawlers). Observed: 2026-09-09. Crawler/fetcher purposes and verification references; user agent strings alone are not identity proof.