OT-2026-000020717
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000020717) never changes.
Identity and time
| Publication number | OT-2026-000020717 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7ac5-a2b5-fadf9c924e21 · 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-2026-000020717 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fb53b2c13ad5d1fcbc2eb1dc07d63acf5ed2941ef3e25c893c4dc3a7176903b |
|---|---|
| Markdown | eda423b0ebf5bb1459611c8fe33bc4f0186a337a82e1a8d0c3a438b94084c5bb |
| Publication page | 457b2e0c27633603d589d5d5f7b203f7fe040bb6d5b4577c62b5ffd8fd33370a |
| Manifest | 82a9b6468a7e59556037405a4ae86371c50901d7d40d38a44344b927338e6a2c |
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 | PhTW4+25iZekpS9jCli3bTkuwSXNVh5ldqCD6II/qRw7vNV5sa6MGS3pdhzAliQUSr3E/93HRrIJi0fRock9Dg== |
| 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
| 2026-09-17T11:55:46.278438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020717observed 457b2e0c27633603d589d5d5f7b203f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:46.260828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020717/manifest.jsonobserved 82a9b6468a7e59556037405a4ae86371...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.243460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020717/publication.mdobserved eda423b0ebf5bb1459611c8fe33bc4f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.223729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020717/publication.txtobserved 7fb53b2c13ad5d1fcbc2eb1dc07d63ac...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. |
|---|