OT-2026-000020953
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000020953) never changes.
Identity and time
| Publication number | OT-2026-000020953 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7225-8fb4-d223d6aaf85f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020953 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6217de31ac9e39bca5bde74faefc14b0e93f51549a60aed4f59913c7fff411e4 |
|---|---|
| Markdown | 63a2e764068ceba0af82f840a3bd5cb9733af5172f16f6b144921192880be45c |
| Publication page | 9373793fb439b1bca10f00c5327a3eb0f711a2ea38b9fac87ca13d9eaeedade3 |
| Manifest | 2a7f781405cabcdc3e517c9220e26a309f583e6f4362c4569acac5a561977d3b |
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 | Sah/PZEoZZmYGn13H32TmBQ4A4IT2OjFiDemcQB4+rxgWtGgwKYhM4zR5VYmFsqqhr5eFLFSNia1aG5ucwDlBw== |
| 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
| 2026-09-17T11:56:05.740709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020953observed 9373793fb439b1bca10f00c5327a3eb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:05.722898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020953/manifest.jsonobserved 2a7f781405cabcdc3e517c9220e26a30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:05.705482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020953/publication.mdobserved 63a2e764068ceba0af82f840a3bd5cb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:05.685317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020953/publication.txtobserved 6217de31ac9e39bca5bde74faefc14b0...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. |
|---|