OT-2026-000028401
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000028401) never changes.
Identity and time
| Publication number | OT-2026-000028401 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-78c9-a848-667605b662ab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82b5a0423a90473d304b239e18406cebf45bc310b17bc3cf3d3488f89c788fe9 |
|---|---|
| Markdown | afc88020e80161439c693286b05ba8a3357e4b67746d44d65a139c3989978467 |
| Publication page | 69cf8f1e1d0b7870e414c4a6b6db8f78f71b307ae526f316e8be4f22939ca019 |
| Manifest | 894eb7b26675a0b7a99d56885538ba1a8db77b7b171d0948e1c882370c87c4fc |
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 | LQnUY+/+s8Wv5ci6S0VWbcI82GAMrK9hlowL1HqBjaA9iWE6xZxNjPWDqTeAowerrfC7oozmnRyRCKf0RSYwDg== |
| 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
| 2026-09-17T11:40:31.777188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028401observed 69cf8f1e1d0b7870e414c4a6b6db8f78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:31.758736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028401/manifest.jsonobserved 894eb7b26675a0b7a99d56885538ba1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.742037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028401/publication.mdobserved afc88020e80161439c693286b05ba8a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.726168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028401/publication.txtobserved 82b5a0423a90473d304b239e18406ceb...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. |
|---|