OT-2026-000029257
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000029257) never changes.
Identity and time
| Publication number | OT-2026-000029257 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2aa1-7ee7-a93b-d5f39d5ed520 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a0a4d5817152700d35e492a1e949fbb3be028e7cbda0779010864fd3eb95f25 |
|---|---|
| Markdown | fc690cad7b757f6d0af39fc5de41549c42162ccb174b2c21c3b2fe127f3a032d |
| Publication page | ab87053f64be8d2ddf7fbe107c5e0ad4738776e89c4840782736d1a52c646804 |
| Manifest | 1c6295705b7220b8ab81133787f038250b1ebe156d41379f797d4e278d1e9eb5 |
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 | OeJUCrtUgBy2hZz4LEOMD5lNY5pW+0irI8qSOsWbXVqP6e5wMVfPfnN5ElxYKAojwxu+uHzeVBDOMsU0E66cBA== |
| 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
| 2026-09-17T11:39:53.231280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029257observed ab87053f64be8d2ddf7fbe107c5e0ad4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:53.211748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029257/manifest.jsonobserved 1c6295705b7220b8ab81133787f03825...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:53.194271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029257/publication.mdobserved fc690cad7b757f6d0af39fc5de41549c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:53.175607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029257/publication.txtobserved 1a0a4d5817152700d35e492a1e949fbb...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. |
|---|