OT-2026-000019979
Publication integrity record
Four cup vacuum gripper, four zone face, single stage ejector, pulsed 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-2026-000019979) never changes.
Identity and time
| Publication number | OT-2026-000019979 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-70b7-9e62-8a395c950683 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019979 |
| Status | PUBLIC |
Content hashes
| Canonical text | 25ffd0f579f86ae5645379b0e6a7ae2ebcf15baba19281e9b9a3110e6168d50e |
|---|---|
| Markdown | 3e77c1f12c67a9c1e4412dd423c4becc6bbe3ecfb9d8acd6799ba931f4155427 |
| Publication page | f9d4ab46bd13c56fdc7c948c008ba3e3d3afcf8e55dc974b40afbe762cd681e2 |
| Manifest | f6fdc9a8377ed8621d40fbd654d0edf56e0ad8c87ed37af8db0a11ee8186f30e |
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 | dwDVWj1O2XriwZJ/wn7nuum3ftgC/YK2m4qfn/1w6Yv30YblzMj9B9wLaqakbjAHYAJsHpOlWuwy43tLIlsaDQ== |
| 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
| 2026-09-17T11:58:13.107987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019979observed f9d4ab46bd13c56fdc7c948c008ba3e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:13.089127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019979/manifest.jsonobserved f6fdc9a8377ed8621d40fbd654d0edf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:13.069692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019979/publication.mdobserved 3e77c1f12c67a9c1e4412dd423c4becc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:13.051114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019979/publication.txtobserved 25ffd0f579f86ae5645379b0e6a7ae2e...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. |
|---|