OT-2026-000004078
Publication integrity record
Vacuum cup gripper, four zone face, plant vacuum fed, 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-2026-000004078) never changes.
Identity and time
| Publication number | OT-2026-000004078 · never reused |
|---|---|
| Internal UUID | 01a0a90e-5817-7f90-b4af-fcdbbffde70c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:24.698846Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004078 |
| Status | PUBLIC |
Content hashes
| Canonical text | e246fc793af0b8176471c23cb42ed6259d7f3fa64457aba59b4f8c25ff822129 |
|---|---|
| Markdown | 08beafd7fad394115389a98d5a8699ed9410bba326aff2088f989484b9dc227c |
| Publication page | 1c7d471eb117cedd11a321435ec2bd6060b41707fb3e6a00ff1d172c8bea931d |
| Manifest | 9da437160f1c06503b1fcaa20d62b194605a50c48bda472aeba4109d8f0bc3cc |
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 | VgLzN0bBt8MpOm5VvIn6JdCMPE0YvQYawLISnv7584qvJc9FSzTI/hBO30AGiazJoSieRTn325586PWezYPyCA== |
| 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
| 2026-09-16T07:30:34.728129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004078observed 1c7d471eb117cedd11a321435ec2bd60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:34.681405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004078/manifest.jsonobserved 9da437160f1c06503b1fcaa20d62b194...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:34.668063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004078/publication.mdobserved 08beafd7fad394115389a98d5a8699ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:34.654389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004078/publication.txtobserved e246fc793af0b8176471c23cb42ed625...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. |
|---|