OT-2026-000040939
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000040939) never changes.
Identity and time
| Publication number | OT-2026-000040939 · never reused |
|---|---|
| Internal UUID | 01a0ae79-6d11-7d9f-9691-ec1a34656272 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:28.516236Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000040939 |
| Status | PUBLIC |
Content hashes
| Canonical text | 554250c8fbd510ae6f33c58d32d980e94a6408d6cf6c3ac260cf3a4d5d60b2bb |
|---|---|
| Markdown | 2aa08ab2dca68afcfcb837d0cf5c69f7c14de2e7ea4b2cef93c25227b7a9e8f3 |
| Publication page | 4cd0c6665a4fa8aafcec88139ce534d37341b989863fd8d462a90236d4e9cb07 |
| Manifest | 1bc76444212b4a35a1b16c248d29bc498d7a2bd78375b03734373ea974404426 |
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 | emeCruZPeJf4wtaWBBo5T84XBvX749JLrpOFSs7Q5JesIiQ53BguvUnlTeX1pSFSspWJtzBjURaCjGNY26+eAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-30T20:41:19.466585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939observed 4cd0c6665a4fa8aafcec88139ce534d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T20:41:19.403934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939/manifest.jsonobserved 1bc76444212b4a35a1b16c248d29bc49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:19.333144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939/publication.mdobserved 2aa08ab2dca68afcfcb837d0cf5c69f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:19.156518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939/publication.txtobserved 554250c8fbd510ae6f33c58d32d980e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:42.702558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939observed 4cd0c6665a4fa8aafcec88139ce534d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:42.631033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939/manifest.jsonobserved 1bc76444212b4a35a1b16c248d29bc49...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:42.551063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939/publication.mdobserved 2aa08ab2dca68afcfcb837d0cf5c69f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T20:41:42.480862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040939/publication.txtobserved 554250c8fbd510ae6f33c58d32d980e9...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 |
|---|