OT-2026-000077285
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000077285) never changes.
Identity and time
| Publication number | OT-2026-000077285 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7531-a5ca-e886ff40e32c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077285 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a573f24021728115fb07bf24a34b54fda7695046c39558776d3f551018b0bba |
|---|---|
| Markdown | c08d4f1930dc33664d41b60b201b3289388617f6ead7b82f6ed3d57e1ba32fea |
| Publication page | a15b23efe034d60afe1fdd8cd76ba1261110ac2ad94f54255162300039b5aa50 |
| Manifest | 212e5990b046dfb2b86993006053138cb2cff6fe3b35a4ea12fd578845beeeff |
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 | 5Oa4rKxWc+QTU4Q2qkRO1kbCflaHYnW7XBntdP9G9RWkhJpnoxL92qn1gFS2Xq0oAG4XpTi0s+Tdw696vN3bDQ== |
| 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
| 2026-09-17T10:08:55.132130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077285observed a15b23efe034d60afe1fdd8cd76ba126...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:55.112912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077285/manifest.jsonobserved 212e5990b046dfb2b86993006053138c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:55.094164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077285/publication.mdobserved c08d4f1930dc33664d41b60b201b3289...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:55.075577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077285/publication.txtobserved 8a573f24021728115fb07bf24a34b54f...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. |
|---|