OT-2026-000076977
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000076977) never changes.
Identity and time
| Publication number | OT-2026-000076977 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b071-716a-80b4-350bb1dc604c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076977 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e6ef7ad9fe9690ea51f8473a822b5dbd5a19114e58aa88b8833af6b0c27afe0 |
|---|---|
| Markdown | d2a6475c4b69cbfea0e9581d78bd95a907da5810ca671c4b67b8dc68bf97e678 |
| Publication page | d4bdfcf677e29dceb823a17b0b8d02267218f76c11afb5e6da7a8f4f849a9aae |
| Manifest | 2f09293296e0bd88636690db45b9aa97da78b4fb4e71d19e5b370677b02aa23a |
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 | rgdXQ0qTFn4CeJ5iqW2/5/IX8X+kvHuoZG4nCQeOK6k5Jl8HhLhCsbycVs/cWGiZkabyb51vIeqOfABWsEv1CA== |
| 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
| 2026-09-17T10:10:15.231789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076977observed d4bdfcf677e29dceb823a17b0b8d0226...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:15.214176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076977/manifest.jsonobserved 2f09293296e0bd88636690db45b9aa97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:15.190237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076977/publication.mdobserved d2a6475c4b69cbfea0e9581d78bd95a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:14.795319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076977/publication.txtobserved 1e6ef7ad9fe9690ea51f8473a822b5db...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. |
|---|