OT-2026-000078111
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078111) never changes.
Identity and time
| Publication number | OT-2026-000078111 · never reused |
|---|---|
| Internal UUID | 01a0ae95-6e8c-7822-89c8-9ddd91041324 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:03.897850Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078111 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58a26232b62928f4d65a3efe228bb9f184adc09bdd1a71a53df4d2d57d0326e7 |
|---|---|
| Markdown | 8200826d4e4ec6f4ef71b40e50959f4128dcd53e82252eaff2b38cce25f61761 |
| Publication page | 029a7b86bc0109a4cee164f3e29a6b7e44005c5a0a6a90585044344d4c151d99 |
| Manifest | b3eefc3581e69e032f6cfe367ec4d4a6eadff9b597bfaed9cadb22da4eadbda9 |
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 | F6Wg1oHS9sHqprQ+hrCSYTLsrEc/jfqwOke0lNnkZb6C8qh/gUPAfBsMrwQcChiZ05osyHcj7xD8fZO5szhABQ== |
| 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
| 2026-10-27T16:41:50.130445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111observed 029a7b86bc0109a4cee164f3e29a6b7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T16:41:50.059584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111/manifest.jsonobserved b3eefc3581e69e032f6cfe367ec4d4a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:49.989562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111/publication.mdobserved 8200826d4e4ec6f4ef71b40e50959f41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:49.915141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111/publication.txtobserved 58a26232b62928f4d65a3efe228bb9f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:26.845551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111observed 029a7b86bc0109a4cee164f3e29a6b7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:26.793330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111/manifest.jsonobserved b3eefc3581e69e032f6cfe367ec4d4a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:26.744359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111/publication.mdobserved 8200826d4e4ec6f4ef71b40e50959f41...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:26.679371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078111/publication.txtobserved 58a26232b62928f4d65a3efe228bb9f1...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 |
|---|