OT-2026-000077381
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000077381) never changes.
Identity and time
| Publication number | OT-2026-000077381 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f509-7b99-b559-833da9bf528d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077381 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad1d246ec8cb70aa762499c8ee803003c7c99a991a74f50dff38cd69e50e355f |
|---|---|
| Markdown | 843caf9fc9529eb1abe1af83efbaa56a48936bf8aca3ac1ffcbc82e105ebcac4 |
| Publication page | 0edcda0e46a1e312f3c2e1f3f02a9fd9983d4fad3af49567084faf7dfc29b468 |
| Manifest | 00fb72cc60dd9c2bf6b3e4d3ea8b1d0fc666d2a823237c8d4bbc598911e1b37d |
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 | wWVkW+rNXdARiWK9Lz7GjugNHiuzz48MXM5BnRFdNcpy5xb/RdIG52jTRh4on8sHgmUcJ3+lx0wVgJIySiwMAQ== |
| 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
| 2026-09-17T10:09:01.576027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077381observed 0edcda0e46a1e312f3c2e1f3f02a9fd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:01.555373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077381/manifest.jsonobserved 00fb72cc60dd9c2bf6b3e4d3ea8b1d0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:01.536015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077381/publication.mdobserved 843caf9fc9529eb1abe1af83efbaa56a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:01.515893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077381/publication.txtobserved ad1d246ec8cb70aa762499c8ee803003...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. |
|---|