OT-2026-000004768
Publication integrity record
Vacuum cup gripper, three zone face, two outlet manifold, pump fed, 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-2026-000004768) never changes.
Identity and time
| Publication number | OT-2026-000004768 · never reused |
|---|---|
| Internal UUID | 01a0a922-c0c2-7065-88b5-80358ca0ac2e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:42.212909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004768 |
| Status | PUBLIC |
Content hashes
| Canonical text | a433788de1dfb564d91b5d75d2d1f1036319a83dda6770a18a35e39f19dcb0e7 |
|---|---|
| Markdown | 6dc97d6d27452f96a4919679749ecb51d48a4f610145700d0f170f2f20ace6eb |
| Publication page | 8408646fe8c555922b1ef6271bba5f0cc11667c7a00b246b81079c3fa661f8df |
| Manifest | 8e2ba5cacf303f5fb3425164956a71a745cd0b50261688c2d2e8bc72bdbbbdda |
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 | fPrG25/Bwb7KEmXHXj6eyeOG5ubXqsn431y451wcEsNPpD1DoRJe7TMpEF/zFE2t28ZD6ftoqHCQNDavW7qsAw== |
| 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
| 2026-09-16T07:40:21.134893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004768observed 8408646fe8c555922b1ef6271bba5f0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:21.121579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004768/manifest.jsonobserved 8e2ba5cacf303f5fb3425164956a71a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.990628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004768/publication.mdobserved 6dc97d6d27452f96a4919679749ecb51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:20.976416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004768/publication.txtobserved a433788de1dfb564d91b5d75d2d1f103...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. |
|---|