OT-2026-000001928
Publication integrity record
End-of-arm tool assembly for a robotic manipulator
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-2026-000001928) never changes.
Identity and time
| Publication number | OT-2026-000001928 · never reused |
|---|---|
| Internal UUID | 01a0a679-7c36-769b-a2d8-67b4ff397fa0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:34.647087Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 646400734df91c03f4a52d766b717a07871d6d2c6310d3174be23a0e39de7e1f |
|---|---|
| Markdown | 7e4ee1275efff02d72c3cfd2c02c4df8edfd82aac2939d6b2237c3b01a04eb20 |
| Publication page | 7dff737b151639e9e775b084687951e84329b36dfd4b6653eec73df01ce8cc5a |
| Manifest | 1868fdd9982010b9fc38d63663ee9c2548fc556cc303dceed3733f1781cdf364 |
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 | viJr02xNlfYJOcK3dNrcKTrb95IXIv4h4CMZ5wt19N/eAlhHOCv7d9DwCLLxDE5STS7fthYAl1Q6PAKIYKb0CA== |
| 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
| 2026-10-27T20:41:26.277690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928observed 7dff737b151639e9e775b084687951e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T20:41:26.228161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928/manifest.jsonobserved 1868fdd9982010b9fc38d63663ee9c25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:26.182264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928/publication.mdobserved 7e4ee1275efff02d72c3cfd2c02c4df8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:25.813448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928/publication.txtobserved 646400734df91c03f4a52d766b717a07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:34.450307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928observed 7dff737b151639e9e775b084687951e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:34.438387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928/manifest.jsonobserved 1868fdd9982010b9fc38d63663ee9c25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:34.425401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928/publication.mdobserved 7e4ee1275efff02d72c3cfd2c02c4df8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:23:34.317993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001928/publication.txtobserved 646400734df91c03f4a52d766b717a07...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 |
|---|