OT-2026-000053889
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000053889) never changes.
Identity and time
| Publication number | OT-2026-000053889 · never reused |
|---|---|
| Internal UUID | 01a0ae85-735e-73c0-97ae-092a270b3ffd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:36.560124Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f5b6a3dc724299ea2d381b1313fcbea3c144dcd8b4ecd43dada78b5af961ebd |
|---|---|
| Markdown | 1507412afff99ad069ff24900f65f66a9ede04e84e1dc56bbd7e3f99ce8f2009 |
| Publication page | 56b85a9f5c1f6d0a538ef9076df23ff1835c50d96e8e924ff01b8a9d1b72b3bb |
| Manifest | d4ec7cca56ccb4e99fe49ffa0f296f812854a43cb14d8f8f1f7bace2d8ec0a97 |
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 | amQUZkIuJLIfVOyBnms1+a+b9HU6Lsz+ISK/HZGzkbRl5XrpUnHcBNj8Cz/YLatMn5l5VTmDdzbq/L+uuqVyDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T08:40:43.729994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053889observed 56b85a9f5c1f6d0a538ef9076df23ff1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:40:43.584219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053889/manifest.jsonobserved d4ec7cca56ccb4e99fe49ffa0f296f81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:43.565124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053889/publication.mdobserved 1507412afff99ad069ff24900f65f66a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:40:43.544409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053889/publication.txtobserved 4f5b6a3dc724299ea2d381b1313fcbea...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. |
|---|