OT-2026-000019500
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000019500) never changes.
Identity and time
| Publication number | OT-2026-000019500 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7c39-a47b-207af4882409 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a14803f8a0fbf0b8421bf851c8de149723147e6efcee8ab7adc4e963f01211c |
|---|---|
| Markdown | b26697500f180199bca95356489c7f2739d3f7a5fc8ffa3bbf0639bf731cc6f3 |
| Publication page | 103533d884a34b64bac276a5e937afa32e8cce76c4ba82b0764b1beff8414f29 |
| Manifest | 70be00eb502765defc64667ce6b76f71a5482919566561bbec91054338600748 |
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 | QXEuccBOxFpaViSbURQ6s1EIk9i8pu/RNj1QmZVd3p++y4WJ39KoDflGTcTjDEl40gcgOLkfB2qF9iOWKVQFDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:58:55.747865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019500observed 103533d884a34b64bac276a5e937afa3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:55.730696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019500/manifest.jsonobserved 70be00eb502765defc64667ce6b76f71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.712029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019500/publication.mdobserved b26697500f180199bca95356489c7f27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:55.692937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019500/publication.txtobserved 6a14803f8a0fbf0b8421bf851c8de149...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|