OT-2026-000075774
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000075774) never changes.
Identity and time
| Publication number | OT-2026-000075774 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fe-75c4-9e5b-40b822f3e43b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075774 |
| Status | PUBLIC |
Content hashes
| Canonical text | 405f073253e91f454cc3729dfa3f5188b09982864e9d90174a97f1ca08fede6e |
|---|---|
| Markdown | e0ef38f7d372441a522a5f2531260432b1a51029a2fe331fcc4e610b94c6e7ae |
| Publication page | 78f447183c751ed6834e9a3ffd496fbee62641796040ad320950c795460e2623 |
| Manifest | d694715b2e47014c3334fa237ff86fa3d88e2b14688f7bb9d0e6eb9b199333ad |
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 | PRqyXg3bRJaHj8OpEbWY9XDrCeH5PEpGdOF5VoL0S7noZNA2QWrg7006smlES1WJ5yLYd6qwAXtghq+qRJ8SDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:14:11.196446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075774observed 78f447183c751ed6834e9a3ffd496fbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:14:11.054648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075774/manifest.jsonobserved d694715b2e47014c3334fa237ff86fa3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:11.035736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075774/publication.mdobserved e0ef38f7d372441a522a5f2531260432...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:11.016033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075774/publication.txtobserved 405f073253e91f454cc3729dfa3f5188...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. |
|---|