OT-2026-000011421
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, vented after 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-2026-000011421) never changes.
Identity and time
| Publication number | OT-2026-000011421 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-88fe-747b-a4ce-9d6e2e2525f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:12:23.703080Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37743ac52f352dd4c80590808f535236f950a3f212d29fbb89d147cde877c76c |
|---|---|
| Markdown | 730ad328756c03f7d26ada1f64856f51db80c48e0854742ff161c1f8529f6cc4 |
| Publication page | 81ba6851afe2c2b6e4aa247085958ea963732e116e00092f4d6d0fb9165a66a3 |
| Manifest | 9eb8d7e5b2c52bfb947c2dc68412cfc66b0c52be27f963c45220d9bbdecf70d9 |
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 | RTZEppEHINlmSaXl+DMeeLHt6/umzum58gL6MUv3cXniu01YCKP/H9JEsiuOMW3yiDywdjcZx9yN5nhzs/cMCQ== |
| 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
| 2026-09-17T12:13:10.543018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011421observed 81ba6851afe2c2b6e4aa247085958ea9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:13:10.524599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011421/manifest.jsonobserved 9eb8d7e5b2c52bfb947c2dc68412cfc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:10.505109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011421/publication.mdobserved 730ad328756c03f7d26ada1f64856f51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:10.486089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011421/publication.txtobserved 37743ac52f352dd4c80590808f535236...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. |
|---|