OT-2026-000021144
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000021144) never changes.
Identity and time
| Publication number | OT-2026-000021144 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7bd6-8c97-44885ee0dd43 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021144 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e32b3136b6bafa872eb648899686a7d57f489c78b2ead1203a1bc22bf431ba6 |
|---|---|
| Markdown | 905acf754892d0151c2e15b0d18c580903b0003457d0da8d6d8082bef0a9ef6d |
| Publication page | bb5f977f5b2d6b59b9595e3cff2c66e4c40fb0106cba2bf169d57986e1c2e434 |
| Manifest | d50c268e6329f8b908dfcb3e0132f921f6110da9694dfdc29259d530cc0369e3 |
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 | DuttwY/Fno0FInnWBij7qHgxuHkJAYc+N8tI0u3uQFw3l5ozZu6qI2YKNJmjqrQ6uJZO65x6roDZkRkZK7evAA== |
| 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
| 2026-09-17T11:54:54.056083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021144observed bb5f977f5b2d6b59b9595e3cff2c66e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:54.038728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021144/manifest.jsonobserved d50c268e6329f8b908dfcb3e0132f921...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.020523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021144/publication.mdobserved 905acf754892d0151c2e15b0d18c5809...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.002651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021144/publication.txtobserved 7e32b3136b6bafa872eb648899686a7d...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. |
|---|