OT-2026-000076421
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000076421) never changes.
Identity and time
| Publication number | OT-2026-000076421 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a70-7fa1-ba32-ac3d85ac829a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076421 |
| Status | PUBLIC |
Content hashes
| Canonical text | abcff9a570fabf8b13d90063a29cf5aa6fb77480acbd7992b2da3f0d5fc9d834 |
|---|---|
| Markdown | 5a33c517b9523c2e0d7951f8a71b4237e208b503999870b5a39a352a39208cf6 |
| Publication page | 5a2f63bd388cd2a0608ecb20cd85603b2ae1fad4a3030c81ad2ccb2c3b8a0625 |
| Manifest | bcf7fcf8c2f50df9d34e7956c588c4a2c6fd7563af1df34c48b1d9f67f88751d |
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 | +KZcD/v62dcMquO9qApGI2/jPM6AHGuRzEx3ZRvdvY0oVuLcn6Dcn5Sm5UJklGPYM9+vIWXy1u81Q3LYS+GvCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:12:23.994753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076421observed 5a2f63bd388cd2a0608ecb20cd85603b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:12:23.976206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076421/manifest.jsonobserved bcf7fcf8c2f50df9d34e7956c588c4a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:12:23.954776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076421/publication.mdobserved 5a33c517b9523c2e0d7951f8a71b4237...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:12:23.812795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076421/publication.txtobserved abcff9a570fabf8b13d90063a29cf5aa...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. |
|---|