OT-2026-000004621
Publication integrity record
Vacuum cup 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-2026-000004621) never changes.
Identity and time
| Publication number | OT-2026-000004621 · never reused |
|---|---|
| Internal UUID | 01a0a91d-f91a-7dad-8615-f345c08fac1c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:28.957275Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004621 |
| Status | PUBLIC |
Content hashes
| Canonical text | bca18831bffaf31180594c67200c3477bf6fb6f2425d1f4dd1f0a494366e7b29 |
|---|---|
| Markdown | 24d6d89ec84c1d836c7df58233f7c374d215f8cf8741bc137363e931af7cbd4e |
| Publication page | 03affbbf4510cb95dc206cd55bccd330bec0c933dd6556625e7036c939f7c56a |
| Manifest | 29d2b6a2e45fc8c150f8dafe7681178422184b84f3f24621d2ff364c25073404 |
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 | Xt2wYZyLVyiKupqbp6CsFI14E0D59cZ5hNmohfp0n+z6POnjterQcq3H/EKbOMyR+/NAReS3pat4gJnzzxpTCw== |
| 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
| 2026-09-16T07:30:08.196803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004621observed 03affbbf4510cb95dc206cd55bccd330...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:08.183845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004621/manifest.jsonobserved 29d2b6a2e45fc8c150f8dafe76811784...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:08.170904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004621/publication.mdobserved 24d6d89ec84c1d836c7df58233f7c374...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:08.156359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004621/publication.txtobserved bca18831bffaf31180594c67200c3477...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. |
|---|