OT-2026-000019768
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000019768) never changes.
Identity and time
| Publication number | OT-2026-000019768 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-7d24-a004-f85a9417cfb6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019768 |
| Status | PUBLIC |
Content hashes
| Canonical text | 70b504fb5e02e837d9735f331aa22ecba9a94fbbb4ac3dfd8f3a217d8469c023 |
|---|---|
| Markdown | 434904681cef95b33eb9ebe8784fe80b622d7dbd83cc38130e63c68383946c4f |
| Publication page | 8ea540b5a8feb458d7fea0473a0dbbdd4e24cc5161e486c074cc5aab63da35e5 |
| Manifest | c2cb7bca886b66ae38f28e2db3dd3b0bbc425a4bf8d6c862e8420899c6de2005 |
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 | 6XGw7vB4Ms/0theI0kNy5OkNBmEKB1zkKtx7U/0pLTDS9PorW8dw/GOSTbxjvBDkmwYOq6fKkcD3OA/XsvQWDw== |
| 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
| 2026-09-17T11:57:56.394934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019768observed 8ea540b5a8feb458d7fea0473a0dbbdd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:56.372864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019768/manifest.jsonobserved c2cb7bca886b66ae38f28e2db3dd3b0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:56.355000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019768/publication.mdobserved 434904681cef95b33eb9ebe8784fe80b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:56.335080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019768/publication.txtobserved 70b504fb5e02e837d9735f331aa22ecb...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. |
|---|