OT-2026-000004981
Publication integrity record
Vacuum cup gripper, three zone face, two outlet manifold, 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-2026-000004981) never changes.
Identity and time
| Publication number | OT-2026-000004981 · never reused |
|---|---|
| Internal UUID | 01a0a929-f0a9-74d3-9f72-90c97c201907 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:33.228297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004981 |
| Status | PUBLIC |
Content hashes
| Canonical text | c2232e5dd4fa2c02c9dcf630086d88ca3a8c42317fcb88627e042269f0cb13b5 |
|---|---|
| Markdown | 1c5080c21d98eddf0bfcca1ef478525dd807198f2d82e7a17fd234bd527d2ca7 |
| Publication page | 26caf76b3a2fdf8d90c95df5f3a712833856f53249288e4e19f2f7e2689ecfb7 |
| Manifest | 6d6cb4988f1828ee43b6faf2f9184b4b6fc77215171c4a828512b5fd2aedd412 |
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 | TVQBCq7R3zV5GteBxu5guVQJEp2Wq5hvaEsjFcTZz0Aqos90l2R5Jepm0SNKgsIoMDOoyrUBlN0V47Y4Bza3AA== |
| 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
| 2026-09-16T07:50:28.437881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004981observed 26caf76b3a2fdf8d90c95df5f3a71283...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:28.424675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004981/manifest.jsonobserved 6d6cb4988f1828ee43b6faf2f9184b4b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:28.412046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004981/publication.mdobserved 1c5080c21d98eddf0bfcca1ef478525d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:28.398604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004981/publication.txtobserved c2232e5dd4fa2c02c9dcf630086d88ca...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. |
|---|