OT-2026-000077461
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down
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-2026-000077461) never changes.
Identity and time
| Publication number | OT-2026-000077461 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f509-7fb3-83be-b9b9112194bf · 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-2026-000077461 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b609a0ed002ebbc022227956e33dccfd42d5f61f400097be8f1748678af4bce |
|---|---|
| Markdown | 065ef4b250e38521170b191556fab1c7950a1733a9cb27259847107e305a9e2b |
| Publication page | be8e19360b69d42d00f877840a9a24af7c6c043a4fc212513ad9d61565c1f196 |
| Manifest | 323c9b27eceff0e9bafa865392a157bff3318ddb098c9d161e4829e4042fc5b6 |
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 | T8mkFasgHA8xh8lfeAi6DWwpGfWwfe8v5aCEMY8Sa8/FBeJGf2i1v8rH7hM5M3iClmsnbuG+/J1NMJxW6KJUAQ== |
| 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... |
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Independent retrieval
| 2026-09-17T10:09:08.884544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077461observed be8e19360b69d42d00f877840a9a24af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:08.863369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077461/manifest.jsonobserved 323c9b27eceff0e9bafa865392a157bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:08.842956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077461/publication.mdobserved 065ef4b250e38521170b191556fab1c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:08.821554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077461/publication.txtobserved 4b609a0ed002ebbc022227956e33dccf...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. |
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