OT-2026-000064198
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000064198) never changes.
Identity and time
| Publication number | OT-2026-000064198 · never reused |
|---|---|
| Internal UUID | 01a0ae8d-a45f-7904-8283-c107f315597a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:48:33.392114Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000064198 |
| Status | PUBLIC |
Content hashes
| Canonical text | e368ff65c8f8c2c6a9b5b8c64f450ee09ea43037e504762416b271190fe4dd12 |
|---|---|
| Markdown | c74718595de2d4c93cb4ff692c6b709254b7a3c120decd6dc180c7399c4560ad |
| Publication page | 9d7d03d608c56466c9644bc2f68a4c1cf5bbc820e7e80329cdb50649d9262a28 |
| Manifest | 084f2339eb80b9d86593998222d7743ddfd06963fd1e392e0d02ef60c2fbf1fb |
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 | b42pBjSS3UpYUfOQAn0yqfrS9MLXX/mrCYWttDmJe4Ew4f35+UzId+5VeNGjH/1sxtKFH0EapzZyyIQVTeJLAA== |
| 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
| 2026-10-25T12:41:42.763047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198observed 9d7d03d608c56466c9644bc2f68a4c1c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T12:41:42.684449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198/manifest.jsonobserved 084f2339eb80b9d86593998222d7743d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:42.585519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198/publication.mdobserved c74718595de2d4c93cb4ff692c6b7092...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:42.416946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198/publication.txtobserved e368ff65c8f8c2c6a9b5b8c64f450ee0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:08.218255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198observed 9d7d03d608c56466c9644bc2f68a4c1c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:08.118864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198/manifest.jsonobserved 084f2339eb80b9d86593998222d7743d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:08.008334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198/publication.mdobserved c74718595de2d4c93cb4ff692c6b7092...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:42:07.863101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000064198/publication.txtobserved e368ff65c8f8c2c6a9b5b8c64f450ee0...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 |
|---|