OT-2026-000022581
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000022581) never changes.
Identity and time
| Publication number | OT-2026-000022581 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4ff-73bb-ad79-787a5f180692 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022581 |
| Status | PUBLIC |
Content hashes
| Canonical text | 15fc35f9b134b383a86bff655b504e27eaaf671f7ae84282e52360c7b7bcf51f |
|---|---|
| Markdown | cfe579adcc282582ded38befb4e8319933e451948cd6cde3b8d60e418a4f2e35 |
| Publication page | 2f561b76de2348a6e36c2c0ddf15472f6a596b07c8a1681818ce8affec7e1079 |
| Manifest | 7c8f702395bbf6666ca6de99c68db3784a5bbcae9a6b57baf31eb5df274d5f84 |
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 | aXnzQ5v5aIJeun5/J5A2M7Pe8WSIJ0fSyxitl9abjCCHEMn+U43jZx/22k5mQnAMHhY5DSQfqE5nyGD6usSYBg== |
| 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
| 2026-09-17T11:54:01.395764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022581observed 2f561b76de2348a6e36c2c0ddf15472f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:01.378369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022581/manifest.jsonobserved 7c8f702395bbf6666ca6de99c68db378...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:01.361223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022581/publication.mdobserved cfe579adcc282582ded38befb4e83199...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:01.344105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022581/publication.txtobserved 15fc35f9b134b383a86bff655b504e27...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. |
|---|