OT-2026-000056159
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000056159) never changes.
Identity and time
| Publication number | OT-2026-000056159 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-7116-a9bc-c92a26a7d510 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056159 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76292657c3c5efe7c9c304d7379ca2db2aa00fc16388872eb85895d82485e28a |
|---|---|
| Markdown | fe30cab5bd419566b128d46494ecf9dc3e34249f0dd8aa9f8708d8de4cbc13ae |
| Publication page | 07c35db82c280049dd8849e9cffacf4a98d43c6417b0ccd65f1b7bd7f343a699 |
| Manifest | 560d2e56dc87e3e773c485f2de542b80fa406dd483764e6987f55ae73c8167f0 |
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 | NX5ahCjwm7xvKRLNcZpmbj3Tj2iNbGKR0zApDg5ls0DXRjeO1LgrqHM6YiHZeYpk0SW58nS8I8dYNaUECYWrAQ== |
| 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
| 2026-09-17T10:51:42.962787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056159observed 07c35db82c280049dd8849e9cffacf4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:42.946326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056159/manifest.jsonobserved 560d2e56dc87e3e773c485f2de542b80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.924312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056159/publication.mdobserved fe30cab5bd419566b128d46494ecf9dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.903196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056159/publication.txtobserved 76292657c3c5efe7c9c304d7379ca2db...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. |
|---|