OT-2026-000002647
Publication integrity record
Universal joint
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000002647) never changes.
Identity and time
| Publication number | OT-2026-000002647 · never reused |
|---|---|
| Internal UUID | 01a0a67d-ebfc-7f38-9ede-220fe313f810 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:14:25.404902Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002647 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11623061f73358216cf7f395d49becd1273e616ab64b4a66dbc6fc8b5bc41ca6 |
|---|---|
| Markdown | 9c78d9a7f991bb152293d56c3ddd82f59e79cd5f42a4d02df32428dd4b25cba8 |
| Publication page | f0a8de4289a82e7c23d7207341af319f60f95e7dbf902959dac52f4200a7ace9 |
| Manifest | 814cfcde576f330bf800818ec134d882287c87e03d3181f45e6e7e0d7bf0d057 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 1n/a5HqYHKNLzYNNSr4JooFHlUpCY8kSBwE/dpwAV7Ira6fUQg++QdaHYpYgGWW3/9GMTLK0j+haJVkl0k4kAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-10-03T04:41:07.623094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002647observed f0a8de4289a82e7c23d7207341af319f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T04:41:07.522905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002647/manifest.jsonobserved 814cfcde576f330bf800818ec134d882...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:41:07.431558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002647/publication.mdobserved 9c78d9a7f991bb152293d56c3ddd82f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:41:07.235872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002647/publication.txtobserved 11623061f73358216cf7f395d49becd1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:21.373753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002647observed f0a8de4289a82e7c23d7207341af319f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:21.339416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002647/manifest.jsonobserved 814cfcde576f330bf800818ec134d882...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:21.326006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002647/publication.txtobserved 11623061f73358216cf7f395d49becd1...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|