OT-2026-000042896
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum 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-2026-000042896) never changes.
Identity and time
| Publication number | OT-2026-000042896 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7332-b8d2-3affa8baa0a9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042896 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1fd1038bbbfe5bfe2662d74f7d88c4d9e71d9021101a2710cbe911e0a41c0fdb |
|---|---|
| Markdown | 6190a6b470759585ccbdb72c761e190a32250af214375f99f5bf165131491fe2 |
| Publication page | 7f5ab4ac4f26667dc5245c1f95ebd96970f06b6e0160aeb25541df0c6a3a5373 |
| Manifest | 5d3fb66d15f1ae36a6f25cb30f4c86e941ecdd3cea55d6ffa072f2f79cc14ce2 |
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 | hNsZS3jvPd1gE8orActCEZmrI4UQuqyXe2o9HIpcbuejSBwNQ0/sKaB4Kcu3P1vO34Nubr+2c7RdBDWc1RHJDw== |
| 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
| 2026-09-17T11:15:24.175423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042896observed 7f5ab4ac4f26667dc5245c1f95ebd969...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:24.155068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042896/manifest.jsonobserved 5d3fb66d15f1ae36a6f25cb30f4c86e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.135831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042896/publication.mdobserved 6190a6b470759585ccbdb72c761e190a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.116162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042896/publication.txtobserved 1fd1038bbbfe5bfe2662d74f7d88c4d9...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. |
|---|