OT-2026-000030977
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000030977) never changes.
Identity and time
| Publication number | OT-2026-000030977 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7208-941b-04315feb65f4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030977 |
| Status | PUBLIC |
Content hashes
| Canonical text | b38236ed483ee95c04e8c22a2af19f1a7ae69e504f84de6b96b757c1e02fca03 |
|---|---|
| Markdown | c7a3fa9890eb311c2988fe4515cd599800f27b524067c352d407c863a5553492 |
| Publication page | 7bcfeacb20fc72c9df9d42f4bee94db47f9c5bb0580e2e6f6791b6773986423f |
| Manifest | f555c98330246bfc892b77a9849d096a7be9a9adb42a83004f630c603302a9b3 |
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 | k7LEMz22rmOP08PdJaX7MJIaoSYQPJH0k4fk8PcbzlAZjAvfQdBFE40Bf/+vJpymihX6qDwa67qe82nDRCACAw== |
| 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
| 2026-09-17T11:36:59.106959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030977observed 7bcfeacb20fc72c9df9d42f4bee94db4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:59.087674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030977/manifest.jsonobserved f555c98330246bfc892b77a9849d096a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:59.066180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030977/publication.mdobserved c7a3fa9890eb311c2988fe4515cd5998...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:59.048494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030977/publication.txtobserved b38236ed483ee95c04e8c22a2af19f1a...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. |
|---|