OT-2026-000054903
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line 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-2026-000054903) never changes.
Identity and time
| Publication number | OT-2026-000054903 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1286-76be-8b5e-847f71b15a83 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054903 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffbf894375a2dc3ad073cd441a0c85687469dd44f8dfc3b928103e62a2fce155 |
|---|---|
| Markdown | 8e7bcf4078f337bebcd0f15eaa8bbff6e8ad620c5a44494d7ba745bbc710d06f |
| Publication page | 3bfa4e0bcb37142b110cd9c7658f3262bd81cfdc1f3a59df11795e44272afed2 |
| Manifest | ec1883fb77644b403a92ac4a6fd91bc626283800dea5bcd449876ba6ff657982 |
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 | I6oEELeERomF1p1vsKaI66pGy8VAjDWnHxylComwN+S8RIsSGckGOxOqOg1lqx1aa+9mZ6ABj5dhBCUK5tbOCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:08.011511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054903observed 3bfa4e0bcb37142b110cd9c7658f3262...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:07.990932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054903/manifest.jsonobserved ec1883fb77644b403a92ac4a6fd91bc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:07.971119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054903/publication.mdobserved 8e7bcf4078f337bebcd0f15eaa8bbff6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:07.951927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054903/publication.txtobserved ffbf894375a2dc3ad073cd441a0c8568...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. |
|---|