OT-2026-000003961
Publication integrity record
Vacuum cup gripper, four zone face, ejector fed, pressure verified, contact triggered
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-2026-000003961) never changes.
Identity and time
| Publication number | OT-2026-000003961 · never reused |
|---|---|
| Internal UUID | 01a0a90b-9811-7da2-ab52-8da97c7472e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:24.467912Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003961 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ba4d75b13bd3beed91af423c84e63bd2c1023eec022ee5856f168bb04a2fdc0 |
|---|---|
| Markdown | 2473439778c6c459d3086e6d184402b760cca2df45859bacfbba083a289a1bd9 |
| Publication page | 84fdce7ce4485c4fa741d1975229b115c8d7a6c921cdccefd22d36a27f1f5598 |
| Manifest | c77939aecdc54220e6eb12c2a2427c2bab256332e2ce4653c2fa130054043ada |
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 | nEyw9Srz53u4i1okQXsAi1j4A45t+ei/RYiESMzrRukCV3UtRNn9MI+7Jkm5S08vIxrEiz510xkbK8azMI6SCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:09.685079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003961observed 84fdce7ce4485c4fa741d1975229b115...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:09.671440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003961/manifest.jsonobserved c77939aecdc54220e6eb12c2a2427c2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:09.655804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003961/publication.mdobserved 2473439778c6c459d3086e6d184402b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:09.640777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003961/publication.txtobserved 5ba4d75b13bd3beed91af423c84e63bd...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. |
|---|