OT-2026-000090977
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000090977) never changes.
Identity and time
| Publication number | OT-2026-000090977 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-745a-9fa5-dcf0dea6a98d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090977 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9517ab0bde6447053911c1d7d35f82255cd21a4fe55a2a1827093faff5a3cd1 |
|---|---|
| Markdown | 5600ffdb4800da45102052904080159c94c177be4039082f1dba39a47c691d71 |
| Publication page | 7af75abedd53f028b2688f8819f070bdbecd6a74d035a559ef9ed67d6c245479 |
| Manifest | d7603f3926fedef2ecf2c4c92923d69187205c04f3cfb15bfd3ec440ec780b51 |
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 | e/9+44eaa8oRZeqtLOQIpqToqn9uUhhAqXC0WsoLi9S7uRyEVT8E1iiw2LwUPAPAM5LpPWs/iVT12TJRwnsvBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:12.230762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090977observed 7af75abedd53f028b2688f8819f070bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:12.213264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090977/manifest.jsonobserved d7603f3926fedef2ecf2c4c92923d691...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.195988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090977/publication.mdobserved 5600ffdb4800da45102052904080159c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.178268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090977/publication.txtobserved d9517ab0bde6447053911c1d7d35f822...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. |
|---|