OT-2026-000019544
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000019544) never changes.
Identity and time
| Publication number | OT-2026-000019544 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-75a1-814e-860fa472f964 · 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-2026-000019544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f8cc3617bab45b22fdcc5b91eb4b7e94575714c7ed2371753857d55fa18173f |
|---|---|
| Markdown | 4e7ec1cbf4c53f96708bd820297d614323522e6cd8e9f43eabbb22d69279ff90 |
| Publication page | 529158a635cc80e0022656b082fc3fb10a969c15e9bfe08fee4a0041a905dcf4 |
| Manifest | 86e9c43516ee03e865d233563c6834598a7ee26b1f2a7078f8b92a5a15557cd2 |
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 | KuBVMV3z0p2h/kgDJLmt6F4Yo9lHEqlBF609N2tbOg2zfEtaJfI2qkLaEsu3Qg4RQNXgCLcDUOLqTXhbLcckBg== |
| 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
| 2026-09-17T11:58:59.096712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019544observed 529158a635cc80e0022656b082fc3fb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:59.079847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019544/manifest.jsonobserved 86e9c43516ee03e865d233563c683459...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.063915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019544/publication.mdobserved 4e7ec1cbf4c53f96708bd820297d6143...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.046081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019544/publication.txtobserved 0f8cc3617bab45b22fdcc5b91eb4b7e9...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. |
|---|