OT-2026-000003290
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-2026-000003290) never changes.
Identity and time
| Publication number | OT-2026-000003290 · never reused |
|---|---|
| Internal UUID | 01a0a6aa-c4c0-7a5f-b80d-30c889b4dfbb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:03:24.480628Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003290 |
| Status | PUBLIC |
Content hashes
| Canonical text | da3aa5496e2a8feb399c91de7975b6a370d772597f19fa0d1d37929f4d65fefd |
|---|---|
| Markdown | ee5195723858bacccd55ab56b7dd3d841d5012eecc6dd6d910e102f7404466b4 |
| Publication page | 7624e8b3d0bf405612d1357a31bc92589e4987b850bfd2cf942fa15749bf9c28 |
| Manifest | 26f888d65421e1f2c976025bae1c22e22a85dc914fef1dd2058455f1afbeb60f |
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 | VEyGUPABHBI9RmZtlkMxEV69X8Z7zchB5++aQF4uXKyGplA5SZQesZlq9MGsBwFkM2IkTSqhIn5Uxez7O2geCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-22T16:41:44.449308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290observed 7624e8b3d0bf405612d1357a31bc9258...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T16:41:44.378935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290/manifest.jsonobserved 26f888d65421e1f2c976025bae1c22e2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:44.301175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290/publication.mdobserved ee5195723858bacccd55ab56b7dd3d84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T16:41:44.154272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290/publication.txtobserved da3aa5496e2a8feb399c91de7975b6a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:12.676058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290observed 7624e8b3d0bf405612d1357a31bc9258...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:12.660683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290/manifest.jsonobserved 26f888d65421e1f2c976025bae1c22e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:12.646151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290/publication.mdobserved ee5195723858bacccd55ab56b7dd3d84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:12.580009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003290/publication.txtobserved da3aa5496e2a8feb399c91de7975b6a3...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|