OT-2026-000044900
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, 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-2026-000044900) never changes.
Identity and time
| Publication number | OT-2026-000044900 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-911c-750c-a1ba-2041b63c990c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:54.474009Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e819b46325ac69e4bc86d357af9850292a5a48b674784d32c31ef3777b31fc8 |
|---|---|
| Markdown | a7fbbf1f008a8bb37d1c017ecf0f60d6a89adf53fa47337387f890434594e75c |
| Publication page | 72391b0061ccfd30778a7dc4051b7b1bca5c4378b3ca6c5882d3be07671ab9c8 |
| Manifest | 984bc155654b4444303e61e9ee7bcf5b1d1994a2818745ccd67abba5c6a77f42 |
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 | 2TuZgs7mz3bafsCfOQmTzjxmz0GEdt5rVzTBAB7CmaKxjU7JviJ1XKzUghR6PxmIyQn1EA1L7Gm+Gfrit7TrAw== |
| 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
| 2026-09-17T11:11:33.926000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044900observed 72391b0061ccfd30778a7dc4051b7b1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:11:33.904251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044900/manifest.jsonobserved 984bc155654b4444303e61e9ee7bcf5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:33.882538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044900/publication.mdobserved a7fbbf1f008a8bb37d1c017ecf0f60d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:33.861772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044900/publication.txtobserved 5e819b46325ac69e4bc86d357af98502...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. |
|---|