OT-2026-000003778
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000003778) never changes.
Identity and time
| Publication number | OT-2026-000003778 · never reused |
|---|---|
| Internal UUID | 01a0a90b-07f9-7014-8c25-686e0da6b6f6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:47.580326Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003778 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3be24f1a630d09a3b2fcddb564d8719aab152355664fdd5c558a3feaa527ef8c |
|---|---|
| Markdown | 4644b57e8137552278af0da43a3ea51d7dd7019304b1f1093c3d7895da0c5c6b |
| Publication page | 3c4710f8d25d7a04187cd4e74a4eafa9cef5085b579755d1fe5abe2909d1cb4b |
| Manifest | cbb7150771ff21d9cdead64b657620dab4f073dcf82c61048ca24a04bbe691c1 |
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 | cOeE+JqS06yXGeF/GEAtxEvCYILxdTAJhRT14WefEnQiTFZlX2GfEiFMxZ3Qr7Ls5eakQ3tcs7cH2Os0WKQBDA== |
| 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
| 2026-09-16T07:10:20.909827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003778observed 3c4710f8d25d7a04187cd4e74a4eafa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:20.896220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003778/manifest.jsonobserved cbb7150771ff21d9cdead64b657620da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:20.880726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003778/publication.mdobserved 4644b57e8137552278af0da43a3ea51d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:20.864212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003778/publication.txtobserved 3be24f1a630d09a3b2fcddb564d8719a...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. |
|---|