OT-2026-000004744
Publication integrity record
Vacuum cup gripper, two zone face, six outlet manifold, pump fed, pressure verified, 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-2026-000004744) never changes.
Identity and time
| Publication number | OT-2026-000004744 · never reused |
|---|---|
| Internal UUID | 01a0a921-f097-7a28-94ac-26d42c790c5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:48.923026Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004744 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ad628dfbd0c059501cb6372832b6d49e615e3f0060d2e338f983eab557cc4c4 |
|---|---|
| Markdown | 5ef167b1d034b5d24415ab6bbc38ff424128c05f6f04133f53c691363e8c0f46 |
| Publication page | 8ce59f1bb0cdf5e2baceea2abe8b8c265c16a729c51d93abf50e32d47933107a |
| Manifest | 6452c3a6a0fc23c752b873f90d63d04fae85fe03576779ff96401b328fd5f13e |
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 | fMtH6447RaBB8mr3QkWmiAd8PPbzSQkPlj3YTNxHwF0ViF1ygvCG5GCs8HyzRzUGnkzVnqId2LOrofoiz+AtDA== |
| 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
| 2026-09-16T07:40:23.647233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004744observed 8ce59f1bb0cdf5e2baceea2abe8b8c26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:23.633770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004744/manifest.jsonobserved 6452c3a6a0fc23c752b873f90d63d04f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.620429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004744/publication.mdobserved 5ef167b1d034b5d24415ab6bbc38ff42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.483191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004744/publication.txtobserved 8ad628dfbd0c059501cb6372832b6d49...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. |
|---|