OT-2026-000042904
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000042904) never changes.
Identity and time
| Publication number | OT-2026-000042904 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7760-bcc0-96fce722ba8d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042904 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8db1d63b4bf91e0bca449a7d48fbf01ebf22f3954ae3e1ea8a3748fbd6566a80 |
|---|---|
| Markdown | c6334dd7bc5c11e867fcd6d80d2d3f869ee552e97bbb2be331cca326984b615f |
| Publication page | 71285a9ad123f4ed6ff1cb5fb981d4f7a0cbc844ff4ee754929ed40459f54d85 |
| Manifest | 02398ab49cca8316374e2650143899166e5d82ed400a8020cf98f8a22d565dbc |
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 | QSRiEDeauYaVTDYQ0SMRgRxfL8+RdP9zaiAjZl6AT3k3xE4zVfOTUUZ2IzLUsQZphS26EetLNsYKyJFARxqvBw== |
| 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
| 2026-09-17T11:15:24.817466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042904observed 71285a9ad123f4ed6ff1cb5fb981d4f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:24.797617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042904/manifest.jsonobserved 02398ab49cca8316374e265014389916...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.778586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042904/publication.mdobserved c6334dd7bc5c11e867fcd6d80d2d3f86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.758322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042904/publication.txtobserved 8db1d63b4bf91e0bca449a7d48fbf01e...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. |
|---|