OT-2026-000003994
Publication integrity record
Vacuum cup gripper, four zone face, pump fed, pressure verified
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-2026-000003994) never changes.
Identity and time
| Publication number | OT-2026-000003994 · never reused |
|---|---|
| Internal UUID | 01a0a90c-8615-75f6-8652-064846c81f09 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:25.400318Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003994 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88f8b63248196c21f877078a2312ab720d6d5fd6d259b7a7889bb61c22ac5710 |
|---|---|
| Markdown | 1cf1f2828a9b50d96a73551b971401c27a0448f3d5bb85eba417610e6b8b47fc |
| Publication page | 263fbe88325ae1aae5b0d1d9abddb039df83d1979fbf3910ac272a0f845b33b6 |
| Manifest | d9e13ded24875dccdc6da61147961212f69e60719fd5c5180e4bedb211235182 |
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 | YHkdLkBjQaRd/zF+xekw1SWYgZOMs+Y3P4SOke2nFkcWVtt7Dw19pBw0tlKRoxAu2UaF9qH0wbSbjWaHI9iFBg== |
| 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
| 2026-09-16T07:10:07.528110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003994observed 263fbe88325ae1aae5b0d1d9abddb039...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.513407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003994/manifest.jsonobserved d9e13ded24875dccdc6da61147961212...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.498179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003994/publication.mdobserved 1cf1f2828a9b50d96a73551b971401c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.479738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003994/publication.txtobserved 88f8b63248196c21f877078a2312ab72...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. |
|---|