OT-2026-000044704
Publication integrity record
Single bellows cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000044704) never changes.
Identity and time
| Publication number | OT-2026-000044704 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-39da-7a03-b85c-8b1a1adc5f78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:32.012327Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044704 |
| Status | PUBLIC |
Content hashes
| Canonical text | 575f6b72ed5d0b6ba236aff151606b53de3f6ec18907540dbd8f904261620326 |
|---|---|
| Markdown | 3266812253f1c95371d2962b2e99014b97d940185cb0dc8688b1f88fedf973f4 |
| Publication page | 28f834a716e80a9707660b4699516c624232aa03e4c902d457b3383794c8b1b9 |
| Manifest | 1ae9de685be6cce120763ce05a03eb927f1b1be16cd8790e946dc35b26a9d019 |
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 | 53qM/xSun/zYFY6D4hjk8r9R6r/1b2TVULnjTS4nR08B1EYBQxOhe/+hR5k1jy5t45xQfXw7FVPypyD1pi89CA== |
| 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
| 2026-09-17T11:11:57.913456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044704observed 28f834a716e80a9707660b4699516c62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:11:57.895086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044704/manifest.jsonobserved 1ae9de685be6cce120763ce05a03eb92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:57.874684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044704/publication.mdobserved 3266812253f1c95371d2962b2e99014b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:57.855439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044704/publication.txtobserved 575f6b72ed5d0b6ba236aff151606b53...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. |
|---|