OT-2026-000021441
Publication integrity record
Single cup vacuum gripper, three stage ejector, sustained 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-2026-000021441) never changes.
Identity and time
| Publication number | OT-2026-000021441 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7330-aaf1-31dc557bc1bf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021441 |
| Status | PUBLIC |
Content hashes
| Canonical text | b0b728724cc9e28f6d876a64df0bebc3c2438859fee1bf5e2468850ef5b9837e |
|---|---|
| Markdown | b80189b1b45fb8a9e7034f504bbb14be2127cd40700cd71d3f4011eba2c22171 |
| Publication page | b163cf6070f72359bc028e34d58121bca4547077e50288440329bdf9a390060a |
| Manifest | d10c7bdf6e5341858c93ecff2f1a03b0845fff33a09f2ed8fe420a073f75f965 |
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 | xN2WN8mj0sIu1Vw0eU6lgQl2SnXxSyhNgF+l3Z6ypeN6n39WbxXj1OHob/b4RwJANSOGJu9MN07YPO6HYflTDw== |
| 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
| 2026-09-17T11:54:49.899677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021441observed b163cf6070f72359bc028e34d58121bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:49.880323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021441/manifest.jsonobserved d10c7bdf6e5341858c93ecff2f1a03b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.855322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021441/publication.mdobserved b80189b1b45fb8a9e7034f504bbb14be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.818402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021441/publication.txtobserved b0b728724cc9e28f6d876a64df0bebc3...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. |
|---|