OT-2026-000020819
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000020819) never changes.
Identity and time
| Publication number | OT-2026-000020819 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7a47-8964-63c18309074c · 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-2026-000020819 |
| Status | PUBLIC |
Content hashes
| Canonical text | de06245032c3a3ba5968d85f34a963c03d8c962fe9d3770648de1d8cf95b1887 |
|---|---|
| Markdown | dc0276a3a19f23bead1df3913848a40fcf49219acf032d7fcd2a1601d494680e |
| Publication page | 9da8540050b993cd59538b7cef77a83ebe4cdb3d7ba3b2d20c3bd9beeecf8456 |
| Manifest | 370f80eaeec1e185c7360bb3b8b13824fa4bf24ddcdad10a56e92ce3b7ffbf6c |
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 | a57Bev7cgmZc5KIylHxP7KA4qdZ9HJtvS3wtlo0qV7Ue9g8aK8rweawnS9tZX+ejsP6Jnmf6H6uReLluGK90BA== |
| 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
| 2026-09-17T11:55:54.683500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020819observed 9da8540050b993cd59538b7cef77a83e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:54.666024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020819/manifest.jsonobserved 370f80eaeec1e185c7360bb3b8b13824...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.649296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020819/publication.mdobserved dc0276a3a19f23bead1df3913848a40f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.631889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020819/publication.txtobserved de06245032c3a3ba5968d85f34a963c0...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. |
|---|