OT-2026-000031250
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, pulsed blow-off after 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-2026-000031250) never changes.
Identity and time
| Publication number | OT-2026-000031250 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-724b-adba-1b725473bf51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031250 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc7d1590a0049aff07704312dcd6c6e716701e905720cd2d33345fe027426697 |
|---|---|
| Markdown | 42be42781148626c35a50301edcc10351845f069925d6a0986e7e912e1ea49ab |
| Publication page | 8390c9c3ee47e4b50c9dea0a9bafd0836f76a0d684f4a66512d9dab626ceea7b |
| Manifest | 0a0c6ce19c4b3b4dcd3f5a540d672ccb81ddb6eb137d533bd12da930466ce878 |
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 | z6W/qBMh9ZczIuhceBUKi6yNBFRbTzS31tLz8po9HkmVKUZJN4az0hUSsyYnQKSLUs/aKQhEBnN0C//STshFAw== |
| 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
| 2026-09-17T11:35:49.492250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031250observed 8390c9c3ee47e4b50c9dea0a9bafd083...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:49.474596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031250/manifest.jsonobserved 0a0c6ce19c4b3b4dcd3f5a540d672ccb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.457127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031250/publication.mdobserved 42be42781148626c35a50301edcc1035...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.438089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031250/publication.txtobserved fc7d1590a0049aff07704312dcd6c6e7...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. |
|---|