OT-2026-000004641
Publication integrity record
Porous face vacuum gripper, two outlet manifold, two stage ejector, pressure verified at each zone
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-2026-000004641) never changes.
Identity and time
| Publication number | OT-2026-000004641 · never reused |
|---|---|
| Internal UUID | 01a0a91e-9549-7d32-b470-49da95ac83d2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:08.939429Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004641 |
| Status | PUBLIC |
Content hashes
| Canonical text | 32bcea44d9813e6ec338df8270e945ca3d4ec45b5b5c238355120cb3dfc46d79 |
|---|---|
| Markdown | cfdb73f9586497656da91301cb5f90206146e54d90af4f2fe60d63b8511fc8d4 |
| Publication page | 787332a9b3c6d0b830f9aa6a8a1628e82bd8218c214b97af579f2bf999e51f0a |
| Manifest | 3c786980f3c07956bc691c7ac914251618e438f0a05e7a04ac807dad668287cc |
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 | 3edDF2dZH5JQj7V1i+J/zEnP2Dla9OQjZbdsK8yR6aWTL4nyvEYVzgXFsoWAqA9X4wok5CzcM3Ikkk5xe8VeBQ== |
| 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
| 2026-09-16T07:30:06.133370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004641observed 787332a9b3c6d0b830f9aa6a8a1628e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:06.120691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004641/manifest.jsonobserved 3c786980f3c07956bc691c7ac9142516...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:05.738236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004641/publication.mdobserved cfdb73f9586497656da91301cb5f9020...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:05.724183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004641/publication.txtobserved 32bcea44d9813e6ec338df8270e945ca...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. |
|---|