OT-2026-000019530
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two 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-2026-000019530) never changes.
Identity and time
| Publication number | OT-2026-000019530 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-70ab-a678-a036c630aa26 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019530 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b434b3efdc7cebe0a460273c92913727df6b56a17c2cf11c8dee7b883a3d6be |
|---|---|
| Markdown | b0661e6d31882891bff1cb4a5d5028fc89fc2efe16dd3a186b316e487bcc797f |
| Publication page | 84a9fc44cfd72e3b9093e1b8d66602f7c9646b9752aa732e56883cdc658edd6e |
| Manifest | c2a4fc069e155b6c839adfcc2b8ea0d1df6395081b89b46f95962096e441407b |
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 | xx/NBBOlmdUg8IXKLe3MNTrQtUASJVFdAhhuG0OhjSnsWPyGDiEdJ8EtI1MjmTe5bFFxCD05Iy31xCTeXWBxDg== |
| 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
| 2026-09-17T11:58:58.099333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019530observed 84a9fc44cfd72e3b9093e1b8d66602f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:58.081568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019530/manifest.jsonobserved c2a4fc069e155b6c839adfcc2b8ea0d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:58.064169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019530/publication.mdobserved b0661e6d31882891bff1cb4a5d5028fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:58.048035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019530/publication.txtobserved 0b434b3efdc7cebe0a460273c9291372...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. |
|---|