OT-2026-000015221
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000015221) never changes.
Identity and time
| Publication number | OT-2026-000015221 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7195-a819-9bd4763678af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72e1e9aed70b1d2030acb4efb5a1144e7da5456fa38b92058bfd478eadb8074b |
|---|---|
| Markdown | 7ff57c5c2025a1cc01ed7fcb7e953ce06508febfac3123e1215eadea8b9ea4a1 |
| Publication page | 28547a9be284cea68bffcc5790f5c2ab291ef14396eb43ead54628898bc1e84a |
| Manifest | 0121f62dcd46dcb0cff9ebf918116246e5de73760dafab2919d948d961052724 |
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 | 0uEva7+UxXkYTol1+mRFmmeVVAwKrHfomnogHKmi0tUIYGXEiYYHI2gELB0MRtoUKihqy7GHPSvr6OyIW5aNCw== |
| 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
| 2026-09-17T12:05:51.639905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015221observed 28547a9be284cea68bffcc5790f5c2ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:51.620801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015221/manifest.jsonobserved 0121f62dcd46dcb0cff9ebf918116246...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.555060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015221/publication.mdobserved 7ff57c5c2025a1cc01ed7fcb7e953ce0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:51.493153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015221/publication.txtobserved 72e1e9aed70b1d2030acb4efb5a1144e...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. |
|---|