OT-2026-000029891
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000029891) never changes.
Identity and time
| Publication number | OT-2026-000029891 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7174-b384-ace12d0375d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029891 |
| Status | PUBLIC |
Content hashes
| Canonical text | b7f7200f69d6f24cde079c478576ef7258a043d8498814d842bc0fe1d7038be2 |
|---|---|
| Markdown | 772e6f129eb598f88418e08100f33aa94fe59d33a32679bd167abaa277f4f59a |
| Publication page | e49e72f29d505356ef15cc48526cc5998b8f4e440f08fdbbb392f94670eee0ca |
| Manifest | b2abcdae3fa325430d8a6523e6e986d0d255f0f3d37380560a42f62cec2ccff0 |
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 | tMQlw2TChI39ck/rHGgxq0rz6UlBl4aYAyWWfwKnPEV8oJ5US5siNb8H7YIHZ5K5nZa6Wf03vPDY7CSH+tL4BQ== |
| 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
| 2026-09-17T11:38:35.433406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029891observed e49e72f29d505356ef15cc48526cc599...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:35.417643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029891/manifest.jsonobserved b2abcdae3fa325430d8a6523e6e986d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:35.400998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029891/publication.mdobserved 772e6f129eb598f88418e08100f33aa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:35.384061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029891/publication.txtobserved b7f7200f69d6f24cde079c478576ef72...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. |
|---|