OT-2026-000077507
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000077507) never changes.
Identity and time
| Publication number | OT-2026-000077507 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-71a7-b10c-a49739b13071 · 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-2026-000077507 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8788a5341b1ed4c9597c07177e6074cbc5f9b3975930ea7f96367b3bd1bde617 |
|---|---|
| Markdown | c61f1aefdd80cf96ebeba9bdd6520c3dd40221efc1a6d009d513bb874df1d70f |
| Publication page | 5607b757e09d564210ad576a86e4bee09113cc6f45feb592fe984f1b548eb292 |
| Manifest | b9db1bb62ec0746420eef8c0362706a63339623e1e2aee2ce65680f2c9d30837 |
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 | RsxuPCyEl7ADoDinEyFjlf5E+d82D5cw1YdV/Y6j1zxP3VFGma2Afrjdtx0yUhXWmA+eNe3gOS5c2wjwD23HBw== |
| 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
| 2026-09-17T10:09:11.933511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077507observed 5607b757e09d564210ad576a86e4bee0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:11.914917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077507/manifest.jsonobserved b9db1bb62ec0746420eef8c0362706a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:11.895452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077507/publication.mdobserved c61f1aefdd80cf96ebeba9bdd6520c3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:11.876588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077507/publication.txtobserved 8788a5341b1ed4c9597c07177e6074cb...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. |
|---|