OT-2026-000028592
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000028592) never changes.
Identity and time
| Publication number | OT-2026-000028592 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7bc7-824d-932b4868f926 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028592 |
| Status | PUBLIC |
Content hashes
| Canonical text | 409f0f3eacdb08ca6f65be4b721b845f398bf89bf31bedfc3a7979ac56de305b |
|---|---|
| Markdown | 14432a1c18b34aebaf8fb9238cb1baffb3aaad5eb378208ae45ad7fac6ba7eec |
| Publication page | fb9d79454c550d5c56d2c080bef4ade504a112c55e26ebf0dc345c16b6625c10 |
| Manifest | 60e5909cab34f8c628b855558ea60f268e70027f3d9ae74a1450798d75ab009c |
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 | KIxdzOIz4gtbzLHmIGjGDEDLVyq7HYAi54pkR7zDEQzKmQsfGPaDGQq3rtB9ozcr7/b6PsH5asYjaXrVjKFOAQ== |
| 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
| 2026-09-17T11:41:26.757757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028592observed fb9d79454c550d5c56d2c080bef4ade5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:26.736521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028592/manifest.jsonobserved 60e5909cab34f8c628b855558ea60f26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:26.717578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028592/publication.mdobserved 14432a1c18b34aebaf8fb9238cb1baff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:26.697684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028592/publication.txtobserved 409f0f3eacdb08ca6f65be4b721b845f...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. |
|---|