OT-2026-000003895
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, pump fed
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-2026-000003895) never changes.
Identity and time
| Publication number | OT-2026-000003895 · never reused |
|---|---|
| Internal UUID | 01a0a90b-6344-7a55-9fbf-bc9006b39421 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:10.950567Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003895 |
| Status | PUBLIC |
Content hashes
| Canonical text | 808c9ab9d56761d0e04da03f91463356087c29d3ed829baabb8358f3fe90b720 |
|---|---|
| Markdown | 890c329b330aba1f1c0633ebe322e0e1355f28058a1aa6f877cd3be2016ce6a4 |
| Publication page | 0300b03f61af352473c8b82fcd4f0750bacfdc6de057abb16ce482c263eda8c5 |
| Manifest | 2af2774e3e8a2953a3d55763378958b1e986a1df4117f62036592b5125d42fd4 |
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 | f3ly87uKZi9yBVETCpZ3H0x50LkkKzTRQcewgjF0dMNgG0osMeJeztlTBd2iijiLT/dFqGr4/oIj1xqAv4rxAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:13.744406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003895observed 0300b03f61af352473c8b82fcd4f0750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:13.729498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003895/manifest.jsonobserved 2af2774e3e8a2953a3d55763378958b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.713608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003895/publication.mdobserved 890c329b330aba1f1c0633ebe322e0e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:13.698222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003895/publication.txtobserved 808c9ab9d56761d0e04da03f91463356...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. |
|---|