OT-2026-000031580
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000031580) never changes.
Identity and time
| Publication number | OT-2026-000031580 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-756a-87a8-9324de3a5cb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031580 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cacea9683d4c1dc35c49d41f5c2234807266903946909ff9de5b01f857c85d5 |
|---|---|
| Markdown | 9f353c230aed0063047b74c703ed6b5583ace0dcacc437c8fe4ea740c4bb01b7 |
| Publication page | c013e433694196e2a146013b217e15ad9b04837eac0050ea10616cd1ff7aabe7 |
| Manifest | 7fb73e725875495d2769cd41169992c100f959bcf7e19ff2dca763f0e979c71b |
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 | l2vderd1B1Z6vl8qs/5YvUIvgeG3TqcS6k8SpZqgWTM3dihyExlQ9Nl+kd+Kby8pzQI8pgRaTrWtUCDb4qrODA== |
| 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
| 2026-09-17T11:36:25.967857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031580observed c013e433694196e2a146013b217e15ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:25.949417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031580/manifest.jsonobserved 7fb73e725875495d2769cd41169992c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.931023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031580/publication.mdobserved 9f353c230aed0063047b74c703ed6b55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.913726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031580/publication.txtobserved 7cacea9683d4c1dc35c49d41f5c22348...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. |
|---|