OT-2026-000021894
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000021894) never changes.
Identity and time
| Publication number | OT-2026-000021894 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7274-a88a-db24f708aadf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021894 |
| Status | PUBLIC |
Content hashes
| Canonical text | bb29edee82519ea82a6f7936e8a28d8a3fcc58440d5ebc7ed2c0704cfe61020b |
|---|---|
| Markdown | be7cd5254fac5be7964de7f55a2c34c33ed63dcb23bafec2766c19e3e0385d90 |
| Publication page | d3b5a88cca61614627d7e5768251b731f43f486daaf2d0de7e78e65ee4d6660a |
| Manifest | 7937409125656c882813ff3fd35b5aeded7c3095e002a7a4e336b8f925679fb0 |
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 | u1h9tIYL/UFxmJURUngyPhJ0PiuNKhZb5vWLrc0ox22HJVG9kr/RyqMW1dhTpMxaohYszSEKvzUU7RkSP+YoDg== |
| 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
| 2026-09-17T11:54:27.742949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021894observed d3b5a88cca61614627d7e5768251b731...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:27.714865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021894/manifest.jsonobserved 7937409125656c882813ff3fd35b5aed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.696484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021894/publication.mdobserved be7cd5254fac5be7964de7f55a2c34c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.669659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021894/publication.txtobserved bb29edee82519ea82a6f7936e8a28d8a...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. |
|---|