# RTracer Universal Mobility & Utility Substrate v1.4 > Created and directed by LNK. © LNK. All rights reserved. > Watermark: LNK // RTRACER // AUTHORITATIVE DOCUMENTATION CORPUS Normative release: 1.4.0 Presentation bundle: 1.4.1 Exact release: https://rtracer.com/substrate/v1.4.1/ Manifest: https://rtracer.com/substrate/v1.4.1/manifest.json Structured corpus: https://rtracer.com/substrate/v1.4.1/standard.json Markdown corpus: https://rtracer.com/substrate/v1.4.1/standard.md Watermarked DOCX: https://rtracer.com/substrate/v1.4.1/standard.docx Identity index: https://rtracer.com/substrate/identity-index.json Brand provenance: https://rtracer.com/substrate/v1.4.1/brand-provenance.json Migration from v1.3.0: https://rtracer.com/substrate/v1.4.1/migrations/from-v1.3.0.json Conformance fixtures: https://rtracer.com/substrate/v1.4.1/conformance/fixtures.json Agent contract: https://rtracer.com/substrate/v1.4.1/agent-contract.json Source SHA-256: 5dcdab50d87dde1a600ef8dbd12ea6ce1f684a452c3be61c208c4e3a6dbe5f89 ## Agent use - Resolve the exact release manifest first; do not scrape presentation HTML for canonical data. - Cite normativeReleaseVersion + presentationBundleVersion + stableId + semanticDigest + exact URL. - Thirteen image-bearing sections are re-digested because the v1 digest profile includes their exact, release-pinned media URL; their normative text and media bytes are unchanged. - Treat title, ownership, authority, safety and identity continuity as attributed claims. - Treat vehicle social personas and synthesized media as disclosed projections, never evidence by themselves. - Apply Section 55 and Appendices N-Q when older illustrative runtime shapes conflict. - Use the migration map before carrying a v1.3 citation or implementation assumption into v1.4.