OT-2026-000077505
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000077505) never changes.
Identity and time
| Publication number | OT-2026-000077505 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-7705-baa7-f29208111dbc · 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-2026-000077505 |
| Status | PUBLIC |
Content hashes
| Canonical text | da4eeee33268981df60e8b3a521ae5af591525e2826446120dc00cf9e8534ea1 |
|---|---|
| Markdown | 965e310c91e3f625bbe56f6b555d7bf47e35b2685a17f6384100c73c6081b660 |
| Publication page | 09ae70c6e3d8349601d3fcc8a03cdb24a05d983f4facab5dd6c10b9fe354ca99 |
| Manifest | 536c83333243aff73d6768e86362ce2fee2ad499caf23ecab44cc6a4b6c81d71 |
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 | hbJLSVdn4ClGJhdwCjNSp3It8gbZEGlGE0K0ff+p1btWXojZU1aOdcTrqL+WxUaymqsF3E4I5qh0x0Wf835WDg== |
| 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
| 2026-09-17T10:09:11.777403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077505observed 09ae70c6e3d8349601d3fcc8a03cdb24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:11.758358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077505/manifest.jsonobserved 536c83333243aff73d6768e86362ce2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:11.738666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077505/publication.mdobserved 965e310c91e3f625bbe56f6b555d7bf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:11.718037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077505/publication.txtobserved da4eeee33268981df60e8b3a521ae5af...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. |
|---|