OT-2026-000048175
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000048175) never changes.
Identity and time
| Publication number | OT-2026-000048175 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de2-7195-8b26-d054b902a05d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048175 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57b109f0d0bb77708df68390c5772f087d0c702daa43570e560694579d110876 |
|---|---|
| Markdown | bba0f0e6af90e49b11176da421f17377e94c314fde5008c94b93c77fa0e0cdf3 |
| Publication page | 33b2d1a092c73e6091822dda7c2e6ee42762d496126131cabc80eb11bdc86e01 |
| Manifest | 76dc497e77a03cac3440171361512e48faba9d5eafb9f09f0f659dd5ae1a4ce9 |
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 | 54ZL8c/lCoErZUZvY6x4mdjjWo8hIc5ExEfOV3zGnkeT9w6YGjSTbOgxhKFFShKUwQ5tpACUD0MfV/J6gYmuAg== |
| 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
| 2026-09-17T11:04:42.664693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048175observed 33b2d1a092c73e6091822dda7c2e6ee4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:42.646758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048175/manifest.jsonobserved 76dc497e77a03cac3440171361512e48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:42.628518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048175/publication.mdobserved bba0f0e6af90e49b11176da421f17377...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:42.609593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048175/publication.txtobserved 57b109f0d0bb77708df68390c5772f08...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. |
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