OT-2026-000004894
Publication integrity record
Vacuum cup gripper, two zone face, two outlet manifold, two stage ejector, pressure verified
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-2026-000004894) never changes.
Identity and time
| Publication number | OT-2026-000004894 · never reused |
|---|---|
| Internal UUID | 01a0a926-ece5-78fa-867b-e8abf8f27bcc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:15.658402Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004894 |
| Status | PUBLIC |
Content hashes
| Canonical text | dae835e7521bb7c5dd0c4b93c5d3315e5c30af6b8b4ec8d89b0742537075cc26 |
|---|---|
| Markdown | b800afef95cca599bac5f3bac0c072e9e463b6a2fbac479f3602c8b67980c7b9 |
| Publication page | 30c44e6110a7c279705976a43df12ec85f2b551a8168104780c5c73edd7f5a6c |
| Manifest | ab33d2594214fc8a964df7d8f11100b16662c712319d29c5a06298d18b55e28c |
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 | W6/ptaWtdVxWwXBgOSIgvr0Py8iLzD+ms0nhiy8wzRiypJpFSAPeSnTgCV5tUuIasHwINUXI0HoAdI3Ox4WFAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:07.458175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004894observed 30c44e6110a7c279705976a43df12ec8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:07.444659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004894/manifest.jsonobserved ab33d2594214fc8a964df7d8f11100b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.431111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004894/publication.mdobserved b800afef95cca599bac5f3bac0c072e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.417820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004894/publication.txtobserved dae835e7521bb7c5dd0c4b93c5d3315e...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
| Custody package | Pending Custody packages are produced weekly. |
|---|