OT-2026-000019727
Publication integrity record
Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000019727) never changes.
Identity and time
| Publication number | OT-2026-000019727 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-78f7-bcca-084f72e6ab0c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019727 |
| Status | PUBLIC |
Content hashes
| Canonical text | d68446184c1e257dab0d461aa664dc4dc4edf1d4cb5634b5962a988e014d9cd1 |
|---|---|
| Markdown | a3e0603d440f9569a56acd0b90a37aa45abf62796567a0f195a5bd131a074607 |
| Publication page | 37401b8d19f28ea40e6e55a127e204e34a66fa5ffb06d130f8108450f8ca208b |
| Manifest | aaa468fb69ff5dfa4393fa728ac3348f671ca66d7e97ebdf1f99404b84b19786 |
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 | r/urvSmnW2Xm9iJvZnkFaB546trrEpu/zV0od5tNXa1kvK/0x6S5I8JL29lRtDGQi6HWKFI9ezyhnN/99VIpDw== |
| 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
| 2026-09-17T11:57:48.975143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019727observed 37401b8d19f28ea40e6e55a127e204e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:48.956827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019727/manifest.jsonobserved aaa468fb69ff5dfa4393fa728ac3348f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:48.936953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019727/publication.mdobserved a3e0603d440f9569a56acd0b90a37aa4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:48.916919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019727/publication.txtobserved d68446184c1e257dab0d461aa664dc4d...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. |
|---|