OT-2026-000077287
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-2026-000077287) never changes.
Identity and time
| Publication number | OT-2026-000077287 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7c42-a4b0-20a4c5f71bf8 · 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-2026-000077287 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34ffd73fb6624be38a2953d9a36d27b77722674597af8153d3246816fb0c530c |
|---|---|
| Markdown | b2d3ff5b78aadbb487edfef89dac77830b983d8b77a32953e5acd660dba7efd6 |
| Publication page | 576ba4819d2a3da7dd2df813c1912f2e80def15cdee9a7c453eab49ad16978fc |
| Manifest | 270f49ae913ed714543452d997af3291b1182ec762ee91338a754422ae436031 |
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 | 2jhzOMT+TKGALbco4zV/ofd6TnOFPxAJXoUDPf3dL9yxtbQVyx4tALUEyRQJAtAbHRya0O8gE0bV3Se0NIW2Bg== |
| 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
| 2026-09-17T10:08:55.294509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077287observed 576ba4819d2a3da7dd2df813c1912f2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:55.273802Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077287/manifest.jsonobserved 270f49ae913ed714543452d997af3291...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:55.254015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077287/publication.mdobserved b2d3ff5b78aadbb487edfef89dac7783...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:55.234558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077287/publication.txtobserved 34ffd73fb6624be38a2953d9a36d27b7...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. |
|---|