OT-2026-000004857
Publication integrity record
Porous face vacuum gripper, four zone face, four outlet manifold, pump fed, contact triggered
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-2026-000004857) never changes.
Identity and time
| Publication number | OT-2026-000004857 · never reused |
|---|---|
| Internal UUID | 01a0a925-8e39-7964-a932-7b87dc445d3e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:45.884443Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004857 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9edd6ad3c456d1369b2d630b1badcfe6cab54a77b771cf548bebcfc960e7734 |
|---|---|
| Markdown | d471bc2c6125b2239e7f648443066b1bace19b4a2c4f19051cf1621ff1635161 |
| Publication page | 4c96a81bc0b5841d3223d073bb5282b056669409d9ab3454e568e895697e326b |
| Manifest | f0ae4eee38822228337e9bf2c4c29be39dfe47ab5ef8236e0799a9d598da440f |
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 | Yb9AVZjViPctIchD/Jg2ytYe/xkyGUlX2j/q+Qo67LTkl/B77DuxruSWOaR02WcWoG92nWGH/7rRCc3w6BOuCQ== |
| 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
| 2026-09-16T07:40:11.495528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004857observed 4c96a81bc0b5841d3223d073bb5282b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:11.481408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004857/manifest.jsonobserved f0ae4eee38822228337e9bf2c4c29be3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.468602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004857/publication.mdobserved d471bc2c6125b2239e7f648443066b1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:11.454979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004857/publication.txtobserved a9edd6ad3c456d1369b2d630b1badcfe...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. |
|---|