OT-2026-000090223
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090223) never changes.
Identity and time
| Publication number | OT-2026-000090223 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-7f40-9b51-36c8328e5836 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090223 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87a0ab6fe4740a639e81d374de079b75df41e29f15c3dd338a5c7b791f759140 |
|---|---|
| Markdown | fef37ff0944296b33c27786577ab18e4303016127a76de4e4beec489856e02a0 |
| Publication page | 754ec9b888d97a35c670c3f4c11fa16ea2dc56fa385062635baa3935440e9849 |
| Manifest | d394dda78d9f799dfc689a811390217c9d6135a08c380a81f4dedb02504bd016 |
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 | 2/0kAv3Mu6mtYutnh9B8RQbwgtG80ipMcY3Zd8euKAmyXRFCoaq1bNqc9YaY0u/9zuNyDOQQGtHF2eh1ohtADw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:46:18.157901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090223observed 754ec9b888d97a35c670c3f4c11fa16e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:18.137855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090223/manifest.jsonobserved d394dda78d9f799dfc689a811390217c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.119486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090223/publication.mdobserved fef37ff0944296b33c27786577ab18e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.102396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090223/publication.txtobserved 87a0ab6fe4740a639e81d374de079b75...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. |
|---|