OT-2026-000073476
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down, on a tool changer
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-2026-000073476) never changes.
Identity and time
| Publication number | OT-2026-000073476 · never reused |
|---|---|
| Internal UUID | 01a0ae92-efb8-7df9-a63a-e16ed87824cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:20.363042Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073476 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5eaaa3b8c6fd050d191d8f7a7b23e7b28348ee81f4fc1796833958133aebeff |
|---|---|
| Markdown | e33482612f39609bd198f8dd9c71424d691f0f79e30d51b794b8537e69cebd54 |
| Publication page | e7f88dcab5a13db74178a4827a48b3be0f41679e653db9511746d53b022d9c1f |
| Manifest | 3ec68a02ad211c54f727f71c91087c2740702792c6b34b4682a2f717c013a389 |
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 | KQx3cudtkkkFTMw29AxoIbQ8Jx83n3kDGe53zYCbmqR5qhF9RpJcU0LNbU8vUYqm3Fbx7flJmkR/m+G0sMwiAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-24T04:23:35.147219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476observed e7f88dcab5a13db74178a4827a48b3be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:23:35.130456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476/manifest.jsonobserved 3ec68a02ad211c54f727f71c91087c27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:35.108291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476/publication.mdobserved e33482612f39609bd198f8dd9c71424d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:23:35.078447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476/publication.txtobserved f5eaaa3b8c6fd050d191d8f7a7b23e7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:41:03.267939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476observed e7f88dcab5a13db74178a4827a48b3be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:41:03.169046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476/manifest.jsonobserved 3ec68a02ad211c54f727f71c91087c27...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:41:03.055845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476/publication.mdobserved e33482612f39609bd198f8dd9c71424d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T16:41:02.926974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073476/publication.txtobserved f5eaaa3b8c6fd050d191d8f7a7b23e7b...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 |
|---|