OT-2026-000021719
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000021719) never changes.
Identity and time
| Publication number | OT-2026-000021719 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7576-a391-92f354471b3b · 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-2026-000021719 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6dd70a752939bcc1c9c7ffb8e34407bc0d52aabd7ec5c88f5f1ed2d2f32e7d6d |
|---|---|
| Markdown | 3eb193d6d90acc2e7953cb4a125a9bb91c555a5c4a8638f3c2b4aedd91b6757c |
| Publication page | dd557c7ac4e8bb2b25639e06347af16fc0280afecc6a596247b123e9c3c84b89 |
| Manifest | 4f7c88d1a78b43741b2dc1e994ecf903e9cbd08dcb7fdd63fa8e6481cf375d4b |
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 | Xqqbafub2REUmtUhDQzFzIjAPqXBjYvn3cyE7bjQFrw05YxXzcMJNdoGLdx76I/02DURYfWHpGafcBm1iHjrAA== |
| 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
| 2026-09-17T11:54:15.731101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021719observed dd557c7ac4e8bb2b25639e06347af16f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:15.713375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021719/manifest.jsonobserved 4f7c88d1a78b43741b2dc1e994ecf903...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:15.695864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021719/publication.mdobserved 3eb193d6d90acc2e7953cb4a125a9bb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:15.678578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021719/publication.txtobserved 6dd70a752939bcc1c9c7ffb8e34407bc...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. |
|---|