OT-2026-000011721
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000011721) never changes.
Identity and time
| Publication number | OT-2026-000011721 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-7c82-8df3-f3a30c523ef2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6cc1b0759183750ba970124e212d052a9e0398c811411b558bae7491b452043b |
|---|---|
| Markdown | dfa2f5c50b4deb7c35a7e21f99eebc20f04b2cae75d30d96cb3a1388ced0fe02 |
| Publication page | 38b30e6f57dd44d42b49d9e21c7a249c6672f456a3b6025d26ff78d0fb23433e |
| Manifest | 1398aa428fbaee46130a1b62e21f333821d6cff61c55bbe6278c83f769f039d3 |
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 | 1H/+xh4xRQZ0fKhCh+ECVVYQZyT02lWsUBh0SGoBE1i3UDy6W9AzaS/yw8C7btdoqWrdvJB6n+i6JsToEKqiCA== |
| 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
| 2026-09-17T12:12:20.101744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011721observed 38b30e6f57dd44d42b49d9e21c7a249c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:20.081739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011721/manifest.jsonobserved 1398aa428fbaee46130a1b62e21f3338...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:20.061154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011721/publication.mdobserved dfa2f5c50b4deb7c35a7e21f99eebc20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:20.041620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011721/publication.txtobserved 6cc1b0759183750ba970124e212d052a...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. |
|---|