OT-2026-000020299
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, 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-2026-000020299) never changes.
Identity and time
| Publication number | OT-2026-000020299 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-78e8-8e8a-7611dd8641dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020299 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7e3a001fbeaf639f06b3f8b990b420f0bf299fd149a23857e2088e189986cfab |
|---|---|
| Markdown | 9904d69e471f2fcd2b9723fd660b37b17a6760fac4ae1b7c1cc6cc4545dd2800 |
| Publication page | c91d9fe7a68952f6a475aea38b8389d070b3aef503cd345548501191810d7d98 |
| Manifest | 6254fbaa5b8ee6d71ea88425f8b92d534429d15b68d81e02fa4bd438ef4acc2e |
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 | 1SJpaIeS1ItxcN7RlQBnwSPuJRrmJW0norr9H2S0tzYB0o9PMgcBU2ASfmglVoUwmGd+hp0Bqzx9R9EvFBzeCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:39.925946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020299observed c91d9fe7a68952f6a475aea38b8389d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:39.907967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020299/manifest.jsonobserved 6254fbaa5b8ee6d71ea88425f8b92d53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.890383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020299/publication.mdobserved 9904d69e471f2fcd2b9723fd660b37b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.871964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020299/publication.txtobserved 7e3a001fbeaf639f06b3f8b990b420f0...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. |
|---|