OT-2026-000005742
Publication integrity record
Porous face vacuum gripper, four zone face, pump fed, pressure verified, vented after set down
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-2026-000005742) never changes.
Identity and time
| Publication number | OT-2026-000005742 · never reused |
|---|---|
| Internal UUID | 01a0a943-4da5-7d8a-92e9-1c21861d503c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:09:15.431971Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005742 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f6fdebdb60300ee9ad1e36b0ad149a14469e5299fbcfa06b6f5869d23d3815c |
|---|---|
| Markdown | 15af4f4559424923cc5b810c79d19c6652706bafa2b911424bf78dbd8c2b51dd |
| Publication page | c8db1cefe8ed260a45d19e76cd1e218e139a132e31a2ec5a6f67e4bdf1ed0d81 |
| Manifest | 2a20ba8f89d2a53a0d5d293d769f5629eed6c88f63abfafaea492ff247a6da43 |
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 | JTLf6uPM1ahHYyS+6LCBy9ogzoLIYybKaR26L/Ffr0sGw00yRctXAhDJDGWDskA6i99CVlTfUYDVn61GlRpXCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:10:05.138877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005742observed c8db1cefe8ed260a45d19e76cd1e218e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:05.123154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005742/manifest.jsonobserved 2a20ba8f89d2a53a0d5d293d769f5629...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:04.985369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005742/publication.mdobserved 15af4f4559424923cc5b810c79d19c66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:04.971710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005742/publication.txtobserved 8f6fdebdb60300ee9ad1e36b0ad149a1...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. |
|---|