OT-2026-000031568
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-2026-000031568) never changes.
Identity and time
| Publication number | OT-2026-000031568 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-763b-8703-44d2aaa427f1 · 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-2026-000031568 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43fee65fe69ca51eebffb8aafd095b0326d4d943e0544f0a25d11ba817eb60b3 |
|---|---|
| Markdown | 49747ad0b3a293fd99a4b1479dfd7a508a5797997372e30e5910323245a1b722 |
| Publication page | 7c87026197bf9259bbcfbb8c28e8159ee6037562c4034d58df17bb26dcbf4c46 |
| Manifest | 574f9146ecdaa5ca398f28bcb624cd1ec53df98ffb1dab9de5d88645dc507d12 |
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 | b3qE4f0J+/dKuWxKILPET/+cEfYj8ladgwAaw1GbqlX3id+6cRoNEtK17HQLxIvRtntn9aoFTqcX2VNBaVPABQ== |
| 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
| 2026-09-17T11:36:25.063503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031568observed 7c87026197bf9259bbcfbb8c28e8159e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:25.045642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031568/manifest.jsonobserved 574f9146ecdaa5ca398f28bcb624cd1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.027653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031568/publication.mdobserved 49747ad0b3a293fd99a4b1479dfd7a50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.008719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031568/publication.txtobserved 43fee65fe69ca51eebffb8aafd095b03...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. |
|---|