OT-2026-000041990
Publication integrity record
Foam pad 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-2026-000041990) never changes.
Identity and time
| Publication number | OT-2026-000041990 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a7-79fe-adcf-e879cefeef54 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041990 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ec6da83a838a3ec820ea07b8551ef9be4ecce86019ebfbef6a7ea26db23d4cc |
|---|---|
| Markdown | 7e5284bb7ebfb06146d746fa6037ed7ba20dacc6c94729abaea8709026b99df3 |
| Publication page | 2d24b4f9e0a6306a4fe53d5b49dc57e643250020082bfea19ef139d4548bbd9a |
| Manifest | af2ca950e6119f01da662133bae1e0e33e6a185fecb7b2a8a7defd7ea7a0eb8f |
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 | U0WN5uIio0Vgq94MjNok2IeSW1Mw24rVvEIUJ2FyeO6pDePi93AkL2yIfPyBo3dOC/OctDUKxY/NLOuRbCs5CQ== |
| 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
| 2026-09-17T11:16:53.176038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041990observed 2d24b4f9e0a6306a4fe53d5b49dc57e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:53.157371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041990/manifest.jsonobserved af2ca950e6119f01da662133bae1e0e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.140066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041990/publication.mdobserved 7e5284bb7ebfb06146d746fa6037ed7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.121133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041990/publication.txtobserved 8ec6da83a838a3ec820ea07b8551ef9b...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. |
|---|