OT-2026-000077513
Publication integrity record
Foam pad 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-2026-000077513) never changes.
Identity and time
| Publication number | OT-2026-000077513 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-70cf-b4e7-c0904c56b4b1 · 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-2026-000077513 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b84ea252c02b0d3f7ed09b7592af0206aaa57a82ce67d646c58fa54a26ef623 |
|---|---|
| Markdown | 51a9a26d2e7932de6acf56d5da3cbaa4a5518b80855db1e70b814f05673ae9dc |
| Publication page | 5b8f3add06804e044e2c374d0bb40f0b84fd9f5836db626497877a055b83fc7a |
| Manifest | 5de43881cd2926e123fbc5d0be906e0b78d2f4f6c6de861832b9492a1b61fc78 |
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 | L7dcwfIFOQ38ExFD3cUemd2Txij0V9MCHqtmYxCYauAX33QRYESg5lxykfiY+U5hF/oapbR6AK/xHScqUL40CQ== |
| 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
| 2026-09-17T10:09:12.348827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077513observed 5b8f3add06804e044e2c374d0bb40f0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:12.329340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077513/manifest.jsonobserved 5de43881cd2926e123fbc5d0be906e0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:12.307346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077513/publication.mdobserved 51a9a26d2e7932de6acf56d5da3cbaa4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:12.289369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077513/publication.txtobserved 3b84ea252c02b0d3f7ed09b7592af020...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. |
|---|