OT-2026-000004421
Publication integrity record
Porous face vacuum gripper, per zone isolation, three stage ejector, pressure verified
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-2026-000004421) never changes.
Identity and time
| Publication number | OT-2026-000004421 · never reused |
|---|---|
| Internal UUID | 01a0a917-2617-7c48-abba-052448c5d372 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:01.722567Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004421 |
| Status | PUBLIC |
Content hashes
| Canonical text | 03cbeb3f8427ca84b17d244ce84819b4b5efe7a2ce6df2c44f22e2f851e061b2 |
|---|---|
| Markdown | 1b9bbdaa7cd82f40b7583255f03a44b7f660250006e53573b66c117b33bb388d |
| Publication page | 26e3a9772d10bd90db1990234b32ae92bddd691e4fa3788d6a712b71bf75db32 |
| Manifest | 353f877ae22cbe355cbe93a53df58fdf1258befcb231600cec07e0c4b6f1ae40 |
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 | waSuS7bUBKNye/g7tm1K+G/UqW0gRmSnZCsiwmf2uQ3D9/OIFs/r8t/WiKXFaxroI28yYp+6A9mqaFuN7ZjOBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:29.456224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004421observed 26e3a9772d10bd90db1990234b32ae92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:29.441940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004421/manifest.jsonobserved 353f877ae22cbe355cbe93a53df58fdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.428503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004421/publication.mdobserved 1b9bbdaa7cd82f40b7583255f03a44b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.415302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004421/publication.txtobserved 03cbeb3f8427ca84b17d244ce84819b4...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. |
|---|