OT-2026-000006643
Publication integrity record
Vacuum cup gripper, plant vacuum fed, sustained blow off before set down, silicone cups
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-2026-000006643) never changes.
Identity and time
| Publication number | OT-2026-000006643 · never reused |
|---|---|
| Internal UUID | 01a0a962-7170-7608-9762-500e0cb2bbfe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:43:16.211884Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006643 |
| Status | PUBLIC |
Content hashes
| Canonical text | bac89a9497e42c317d231c131c7877fe8cbf648e39021354595e8881128fb964 |
|---|---|
| Markdown | e7cca062f244675cf9396288e0f50a04fece1f21e704b4fa0dca6a286a7bb125 |
| Publication page | 2ff2c3160fdd507e6fd5a3563881a755c519f22bcd5aea5baa9da7b8f311ef7b |
| Manifest | c49214250f8ba07469ed9a6a5c5b11a32954281a1d3c34d172233ef7caa0caf2 |
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 | I+dv2DOryYNobQ/QgMTlB7ZjB224MXHfcoxq4wM0FTQHM9+4Y4yqvWCjGPK7RhPl6XIfiyQc0ercLKaaZ4TiCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:21.970753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006643observed 2ff2c3160fdd507e6fd5a3563881a755...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:21.957303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006643/manifest.jsonobserved c49214250f8ba07469ed9a6a5c5b11a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:21.942344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006643/publication.mdobserved e7cca062f244675cf9396288e0f50a04...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:21.928196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006643/publication.txtobserved bac89a9497e42c317d231c131c7877fe...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. |
|---|