OT-2026-000007304
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, pressure verified, polyurethane cups, oval form
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-2026-000007304) never changes.
Identity and time
| Publication number | OT-2026-000007304 · never reused |
|---|---|
| Internal UUID | 01a0a979-fcab-75a0-a713-8c0b981a413a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:08:59.181522Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007304 |
| Status | PUBLIC |
Content hashes
| Canonical text | e668aaf402122759e8ab7e82b18cda037931dd1fccf15024dd2592c442ba1d02 |
|---|---|
| Markdown | 85282b309a85325e23a463b57407be40b3e10b1ab3a603c2b5f708fdda730f0f |
| Publication page | 406b475e85948e9f85041f0a74d9f2eeda50daec800d521553b8b0a5b9be27c6 |
| Manifest | d41e52df39774a2e498c27ec70a0db225e8f98fd2fe3bb28600a654ce7df0f19 |
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 | srhh4LjUlN+KPu9MpbgXzCeKmATVqiZkXLQjqUI5sXJSzFPXMeiQ8LKKud6buQOo8bzcJvpLtDkrcIZYPAxKDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:10:05.903915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007304observed 406b475e85948e9f85041f0a74d9f2ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:05.892267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007304/manifest.jsonobserved d41e52df39774a2e498c27ec70a0db22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:05.750184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007304/publication.mdobserved 85282b309a85325e23a463b57407be40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:05.737623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007304/publication.txtobserved e668aaf402122759e8ab7e82b18cda03...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. |
|---|