OT-2026-000004890
Publication integrity record
Porous face vacuum gripper, three zone face, two outlet manifold, plant vacuum 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-2026-000004890) never changes.
Identity and time
| Publication number | OT-2026-000004890 · never reused |
|---|---|
| Internal UUID | 01a0a926-c42e-73a0-9de8-efb2bd2ecf2d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:05.234239Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 85378cb2303cb23a2db058def6a2ac3d3203348425ec5c933a13c1a7d92313f8 |
|---|---|
| Markdown | c9e4230836998a93713e4d3cc7da4cb5e61ce49539ba7a5be8fdb83ee321e469 |
| Publication page | 82a11760934e7b590e3ca1c0a13c0fec019ec665194f271350071b5b67945fe7 |
| Manifest | 17550309dd6fe155102ff87e8802da6de421c277314daa0104a425d903204a34 |
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 | YeQW32PNs4Aop7zlSDd+Jonpz657TIWeSF0F30TBHjPjjJIwT94OjGemN9Nf67OTZmKb4qii8EM6IhtqFDb7DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:07.941650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004890observed 82a11760934e7b590e3ca1c0a13c0fec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:07.925877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004890/manifest.jsonobserved 17550309dd6fe155102ff87e8802da6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.910707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004890/publication.mdobserved c9e4230836998a93713e4d3cc7da4cb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.896037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004890/publication.txtobserved 85378cb2303cb23a2db058def6a2ac3d...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. |
|---|