OT-2026-000004897
Publication integrity record
Porous face vacuum gripper, two zone face, two 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-2026-000004897) never changes.
Identity and time
| Publication number | OT-2026-000004897 · never reused |
|---|---|
| Internal UUID | 01a0a927-0b6f-7a76-a76b-8acb235ffaa2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:23.477392Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004897 |
| Status | PUBLIC |
Content hashes
| Canonical text | a27512cd6c7b7ace60e34865e580a1c2a4edac02ec7bfe80aac0380b9e52cff0 |
|---|---|
| Markdown | d0d34186726ec073fc9501720af5f92da14326078de6c07a478f04b094f8f003 |
| Publication page | 1c42d3ff9320d5da9a805a56104fb0320423fac1c53ae3bd7f89d7c35620300e |
| Manifest | aed68c4632ce2a487b159b085eee78e9cae8cd1eb4c38bad04d63ff1710bceda |
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 | //vNy/9cqccyFUej99D4jPVaPZHn7rcV60YGPFmM2+uBMrX60377QcJC8YOWTWX1+v2bDr/GT74sGRpSwY/8Dw== |
| 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
| 2026-09-16T07:40:07.157388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004897observed 1c42d3ff9320d5da9a805a56104fb032...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:07.142646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004897/manifest.jsonobserved aed68c4632ce2a487b159b085eee78e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.127082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004897/publication.mdobserved d0d34186726ec073fc9501720af5f92d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.989838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004897/publication.txtobserved a27512cd6c7b7ace60e34865e580a1c2...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. |
|---|