OT-2026-000031973
Publication integrity record
Single 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-2026-000031973) never changes.
Identity and time
| Publication number | OT-2026-000031973 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7ea6-bb70-7c1475af1d4a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031973 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11021065030c0ade807310baff3f6e356ba80dda0265ba95044b616f86e419c6 |
|---|---|
| Markdown | d8f224a4833ebe115de299b8b3103ab027ed1eeded83f2ce9a3699d149d04c05 |
| Publication page | a5ff2ba08fb55ea7fb4fbf205327c518c55588f83b062b2f3e2c8ab2262c39bb |
| Manifest | 08adfa0f952c1c60ee2adca601cba19e2df9f61beb4d8fa70781332d89370d9a |
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 | dx0o9e8t5Lt0BxG3Mxh8sfDOC3hLJ0yQytSVenzs+vo4aw1A0hewVQwtNh1F01OhGvALzADlUmwSf7lFMCSkDw== |
| 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
| 2026-09-17T11:35:16.071472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031973observed a5ff2ba08fb55ea7fb4fbf205327c518...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:16.050913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031973/manifest.jsonobserved 08adfa0f952c1c60ee2adca601cba19e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.033559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031973/publication.mdobserved d8f224a4833ebe115de299b8b3103ab0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.010648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031973/publication.txtobserved 11021065030c0ade807310baff3f6e35...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. |
|---|