OT-2026-000056421
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000056421) never changes.
Identity and time
| Publication number | OT-2026-000056421 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd2-733e-8dd9-cc1a7e657e47 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cdc40d617c3494a3f60b4c7894d643caaa878f902a04db8db5a14ef0bfc7f6c |
|---|---|
| Markdown | c4ead68e00ce912348cf249d4663f3fd3750105a1e63deee60d437f7bd91b4f2 |
| Publication page | a0a4f97f5d1b9586db5a5af50ef9daa4fe750b4afedfa19dde65f8f0a6c512d4 |
| Manifest | 7e60064d12e4c805d57baae23f6cd05f3998a6c084caa03e41eb427e704a84c8 |
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 | 89XfLN8wLh6eG/klEe+X9scRxzOIUUnQ7Y8ijNmKE9zG1raivyFIxMI69AC6ALbd8lJWlIThJZZwNaqfnednCQ== |
| 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
| 2026-09-17T10:50:57.174391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056421observed a0a4f97f5d1b9586db5a5af50ef9daa4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:57.158107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056421/manifest.jsonobserved 7e60064d12e4c805d57baae23f6cd05f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:57.141329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056421/publication.mdobserved c4ead68e00ce912348cf249d4663f3fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:57.124172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056421/publication.txtobserved 8cdc40d617c3494a3f60b4c7894d643c...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. |
|---|