OT-2026-000004581
Publication integrity record
Vacuum cup gripper, three outlet manifold, three stage ejector, pressure verified at each zone
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-2026-000004581) never changes.
Identity and time
| Publication number | OT-2026-000004581 · never reused |
|---|---|
| Internal UUID | 01a0a91c-a420-7674-abf0-022d7bf52457 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:01.666661Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004581 |
| Status | PUBLIC |
Content hashes
| Canonical text | 140b427824ca87eb6a5cdf94eece13d64b609cafb662621798e0f448eb49a9c9 |
|---|---|
| Markdown | a6c9db76cb9a4eeabc20946ee4e326edd8829041a76f5bdbb6254646da855ba9 |
| Publication page | 8be37923f2d0a53b8b30866f61015ee08f9e3da3a437463905b81fe60d471ea7 |
| Manifest | 0a19ff0a31828c8c5334bfbe307223e67ed0b8fbdc6db7da2925d12e4b64e49d |
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 | Sags8o14CQgyD3PBjApXc7ieFhseMge/8+4dieYiIx9Wb2v95/KgaceBAVEPXhVKztdyPUfPG2KuE3ARdk8qDQ== |
| 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
| 2026-09-16T07:30:12.635498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004581observed 8be37923f2d0a53b8b30866f61015ee0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:12.621023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004581/manifest.jsonobserved 0a19ff0a31828c8c5334bfbe307223e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:12.486102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004581/publication.mdobserved a6c9db76cb9a4eeabc20946ee4e326ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:12.471906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004581/publication.txtobserved 140b427824ca87eb6a5cdf94eece13d6...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. |
|---|