OT-2026-000021580
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000021580) never changes.
Identity and time
| Publication number | OT-2026-000021580 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7e5c-8927-4c7e64ebad7c · 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-2026-000021580 |
| Status | PUBLIC |
Content hashes
| Canonical text | f0a2360c344a378fc9cef8504749acfc94f3f7afc3e976b977848fc569654840 |
|---|---|
| Markdown | 05efdf119995938c533b41b595152431d9a42b4f6ad973f5b59abaf05cc09c03 |
| Publication page | cfbdabcf0ea9b73e1537bd989d63b7fa74b451da7821ff4675b0fbfc8901d7d9 |
| Manifest | efda0efbc007358ba99abdefbceb7958205dc6b2f5cf41d5c52d41cc0c80eedd |
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 | Wsmx7Kb3X6WQuaRQYnOWU36JCHI7lNmAAKTJjFYGogbZ76+NB3chsKYhsLrVq0K8ux7sTyANdCkQkpw7JG3YDw== |
| 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
| 2026-09-17T11:55:30.220453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021580observed cfbdabcf0ea9b73e1537bd989d63b7fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:30.203089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021580/manifest.jsonobserved efda0efbc007358ba99abdefbceb7958...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.184095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021580/publication.mdobserved 05efdf119995938c533b41b595152431...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.163378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021580/publication.txtobserved f0a2360c344a378fc9cef8504749acfc...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. |
|---|