OT-2026-000042741
Publication integrity record
Single cup vacuum gripper, single stage ejector, sustained 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-2026-000042741) never changes.
Identity and time
| Publication number | OT-2026-000042741 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cf-722c-8f0e-b1d40f6618b7 · 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-2026-000042741 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b0f45056448c373d9fde5c95448ee46f5081dcf1991c5b8d00f2bb4700d26cc |
|---|---|
| Markdown | 3e29a23616f80f80094f351f5a2c77545fc8e1505437fff00ce152a334abf85b |
| Publication page | 55ddd53e00e269eb80bb7aa8b5aec964340d23385104127bbfb103de4c6d0ede |
| Manifest | 8866b13bc38a18d8f838af5eb34c604e01708826717d80ddcb21981a3be379e2 |
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 | KIKzdBZZQOhtwUjZGdjB5F/q35wz84KF6haUYCM8us+8+A26Bhb+N94NFhuQ0JYXHTW+8igSy6ypKGU1GGOEBg== |
| 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
| 2026-09-17T11:15:11.253797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042741observed 55ddd53e00e269eb80bb7aa8b5aec964...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:11.232712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042741/manifest.jsonobserved 8866b13bc38a18d8f838af5eb34c604e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:11.211206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042741/publication.mdobserved 3e29a23616f80f80094f351f5a2c7754...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:11.187513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042741/publication.txtobserved 3b0f45056448c373d9fde5c95448ee46...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. |
|---|