OT-2026-000019512
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019512) never changes.
Identity and time
| Publication number | OT-2026-000019512 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-78e5-90e1-a31c34805205 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019512 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a186c0eb4e47c0d74ecbc6e6ef067ab66b790440ec4b9d8ba7c8b03fd72d9d4 |
|---|---|
| Markdown | d5346a96e94e4265357ef5cbda9304cee727b8975920e392fb38617943bb3a31 |
| Publication page | 6f4abeee795a674cc7f5c87cd4e4ef5755562b60cdb55dc842236c2bd763568b |
| Manifest | 0b6429d00187e01cba147ce116589ed29698b8a320363291b1d2ed8f084d4b1a |
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 | NNjEVOKXtDIhUaMUAp0eFmw7qyxIGYOZRJxbGMXZdnsonRKfRHybVbPMP4JBfuxqaDahrPTiGzAm/ANn2Sp6Cw== |
| 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
| 2026-11-02T04:23:14.171557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512observed 6f4abeee795a674cc7f5c87cd4e4ef57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T04:23:14.156005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512/manifest.jsonobserved 0b6429d00187e01cba147ce116589ed2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:14.138259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512/publication.mdobserved d5346a96e94e4265357ef5cbda9304ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-11-02T04:23:14.111875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512/publication.txtobserved 5a186c0eb4e47c0d74ecbc6e6ef067ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:19.075065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512observed 6f4abeee795a674cc7f5c87cd4e4ef57...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:19.011418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512/manifest.jsonobserved 0b6429d00187e01cba147ce116589ed2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:18.942505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512/publication.mdobserved d5346a96e94e4265357ef5cbda9304ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:18.864685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019512/publication.txtobserved 5a186c0eb4e47c0d74ecbc6e6ef067ab...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|