OT-2026-000021631
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off before set-down
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-2026-000021631) never changes.
Identity and time
| Publication number | OT-2026-000021631 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7c86-8ef3-d41f2c8631b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021631 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d31e14c20cbfb3a7de812ad8e1982287be39320dd04dd1e67744b844d780781 |
|---|---|
| Markdown | 44e1a823d4bdcc1dd8a989c9a978b1069045568cbd32c02c33b6b548841555a9 |
| Publication page | 70532e2cd584ac2dab269fa1c923f4b470c2f886317d3b962bf4924ffc4eba02 |
| Manifest | ad7c2f474a60135e41051dc34852775e654da1fab99a94e0aa9d837cd37a2514 |
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 | kd/V3viiDo57jGAFo8oSYJmFDHYr+c7iN8z/LHJqP48M0n2RZAieIb0qd8P5skV9xVOwgRApB5gocccr6cdYCw== |
| 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
| 2026-09-17T11:54:10.102457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021631observed 70532e2cd584ac2dab269fa1c923f4b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.085815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021631/manifest.jsonobserved ad7c2f474a60135e41051dc34852775e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.067835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021631/publication.mdobserved 44e1a823d4bdcc1dd8a989c9a978b106...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.051332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021631/publication.txtobserved 8d31e14c20cbfb3a7de812ad8e198228...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. |
|---|