OT-2026-000031576
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000031576) never changes.
Identity and time
| Publication number | OT-2026-000031576 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-71fd-93c4-379bc772c4be · 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-2026-000031576 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e28c596c062d35e0c1120a55427ee9d0c44370dc7f7a9b8cab0934880b78fa3 |
|---|---|
| Markdown | 4d916bf188de7a0810c53bff762e2a513c9aed7f7057beb6a8609fc05db6765b |
| Publication page | 7fd67b7af3bc2015b78b13b5cc81a1331f97ff8614694c4c4406a80cd26d0f7c |
| Manifest | 44a1026dfaa7840fd45a96496633659d27b6211c0db15721cfdce05c965388e5 |
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 | +5hyVxbvqd/ryNanNdLH13aRlzWE35lRjVsP16W/1c9QrvHcNk9Vr7jQEj06Ia3ohUr7yJx8XmY2QYeo4yNvBw== |
| 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
| 2026-09-17T11:36:25.657778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031576observed 7fd67b7af3bc2015b78b13b5cc81a133...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:25.640197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031576/manifest.jsonobserved 44a1026dfaa7840fd45a96496633659d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.622266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031576/publication.mdobserved 4d916bf188de7a0810c53bff762e2a51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:25.605398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031576/publication.txtobserved 5e28c596c062d35e0c1120a55427ee9d...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. |
|---|