OT-2026-000003154
Publication integrity record
Tool shaft coupler
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-2026-000003154) never changes.
Identity and time
| Publication number | OT-2026-000003154 · never reused |
|---|---|
| Internal UUID | 01a0a695-2a8c-7d38-9e8a-95e57aa2560c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:39:48.748718Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003154 |
| Status | PUBLIC |
Content hashes
| Canonical text | baaf81a7d820f5de43311d3b7f4c560181e37cd505d66392845e8198f30c039a |
|---|---|
| Markdown | 40b14fea23aaf1c085e5fe59796e9d98b6c055477fe1469d668013b453960869 |
| Publication page | 5c373078b4d937d4f6d2fa49e7162140a774aabce72717b1661164632ed2ef6c |
| Manifest | 4e8abcbe3abc270ac9e7534d239f4457eb0c9c1f7c00f62ddb72cca64b11566f |
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 | f4Qf/IbwQAI9bJPx85UIEgQljPupvWM/pjn/mKMzAd3P+RPGEI6nfMFwGGqb1WiaJ4mN8mpv/o9LwcZg6ZZ/Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-10-13T04:23:54.558964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154observed 5c373078b4d937d4f6d2fa49e7162140...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T04:23:54.546577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154/manifest.jsonobserved 4e8abcbe3abc270ac9e7534d239f4457...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:54.533480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154/publication.mdobserved 40b14fea23aaf1c085e5fe59796e9d98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:54.454257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154/publication.txtobserved baaf81a7d820f5de43311d3b7f4c5601...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:43:42.698023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154observed 5c373078b4d937d4f6d2fa49e7162140...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:43:42.406804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154/manifest.jsonobserved 4e8abcbe3abc270ac9e7534d239f4457...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:43:42.197999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154/publication.mdobserved 40b14fea23aaf1c085e5fe59796e9d98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:43:42.019493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003154/publication.txtobserved baaf81a7d820f5de43311d3b7f4c5601...fetched by grabo-systems from 34.44.131.203, 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 |
|---|