OT-2026-000021881
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer
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-2026-000021881) never changes.
Identity and time
| Publication number | OT-2026-000021881 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7ccc-ab36-b02aca3f932d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021881 |
| Status | PUBLIC |
Content hashes
| Canonical text | fdf69d1ba3653ddb3909e7a3d98736607430101c2539b87772f5d75ac862b2a0 |
|---|---|
| Markdown | 34c98d16db201fc2174956b2d711bfeaf6bff864bcc462e84237ffa5b64660c4 |
| Publication page | 1818ec5b96562800ddcc4ea374a503fd7a0efe8d354f500352ad951a7001da1e |
| Manifest | 612de724ef9c3125a6c8cce19d75e53e75b8953f9b76584366a3704193a6e717 |
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 | 82JRxeuwCmjljwxCV4qk7mWmstFaiOyr8ReYCwQOg1D4qCt1CuLxl0LYFYWdkSbVkYSTpRb7wmI+30IzX05bAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:26.775514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021881observed 1818ec5b96562800ddcc4ea374a503fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:26.758532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021881/manifest.jsonobserved 612de724ef9c3125a6c8cce19d75e53e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.740591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021881/publication.mdobserved 34c98d16db201fc2174956b2d711bfea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:26.724951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021881/publication.txtobserved fdf69d1ba3653ddb3909e7a3d9873660...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. |
|---|