OT-2026-000021401
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000021401) never changes.
Identity and time
| Publication number | OT-2026-000021401 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7cd9-a37b-43da20ff3ab3 · 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-2026-000021401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a78a59539435a4bbfa1cf5bb23fc8a63f33b3c616fa372e22a8cf2a2d84df57 |
|---|---|
| Markdown | 05f0d79b00dc3bb3efd63c272994c8520c5ed0ce9b2168165121f25b18d7f03d |
| Publication page | ebc8677480306be2c25c2813d9e0f2ed1a8e5fe937902d6c8dcf25a8c9647807 |
| Manifest | 9119f4f6a456fbec5314256b266cbd5eb909ad791e6276352565b1c14b964354 |
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 | 0amHmd3UDBhYW7TKbyIMuSeLRGpIIa0R/pbxPUC8LetVzoQu+SBNbzkQ3hEq7LlonDc+t2VVqg4D/F5W4rCCDQ== |
| 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
| 2026-09-17T11:55:17.629241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021401observed ebc8677480306be2c25c2813d9e0f2ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:17.605208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021401/manifest.jsonobserved 9119f4f6a456fbec5314256b266cbd5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.579715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021401/publication.mdobserved 05f0d79b00dc3bb3efd63c272994c852...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:17.560672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021401/publication.txtobserved 7a78a59539435a4bbfa1cf5bb23fc8a6...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. |
|---|