OT-2026-000019720
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000019720) never changes.
Identity and time
| Publication number | OT-2026-000019720 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-77b1-ac31-63f03aa48c1b · 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-2026-000019720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 18f33f38d1fffa7aedf3179698ab21b0671d6b81566c40a73a639b8d9c9f4bc1 |
|---|---|
| Markdown | c7ed378cd20e31b7bf9bd13b20a22161bcbd45440109f1dd5a7bbedab19bc892 |
| Publication page | 09767c716d0bf1ca8ee6e943730c13ce47a541540f0221ff6648fb70ea87ee24 |
| Manifest | afea2dd60c69f9d7eda24dd0dfe098ea46970efcd4db99100dc0b8b5b1336440 |
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 | KuxvoLfX7IUmIvJvHwDoPKsWcC48acHPAZUodyptjmKgLA1Evz7wjsm/vfnQK/xDaTjzd7TP+ZHC8WR7aqXwBg== |
| 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
| 2026-09-17T11:57:46.955912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019720observed 09767c716d0bf1ca8ee6e943730c13ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:46.937052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019720/manifest.jsonobserved afea2dd60c69f9d7eda24dd0dfe098ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:46.882942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019720/publication.mdobserved c7ed378cd20e31b7bf9bd13b20a22161...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:46.829968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019720/publication.txtobserved 18f33f38d1fffa7aedf3179698ab21b0...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. |
|---|