OT-2026-000077680
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000077680) never changes.
Identity and time
| Publication number | OT-2026-000077680 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ecf-739c-b908-ae551221d271 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077680 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2fd49af4493ae24a61a5e4490a9de2983d3c94377368b066b8b33db66543ae1 |
|---|---|
| Markdown | c4adbc7149966714f24aff030103455f05417aedb881b9249b37386ed0c495b8 |
| Publication page | 95b0918a3826f9abfbed3e95cd28c1bf30ba690e41873ba0bb9fe65f9486cb03 |
| Manifest | 780eb044b10c49eddedd282a026fdb087d1cfdb5b15f6089a8b78cbe711e232a |
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 | DGykxUr8rqZ3LwnOxQItsPgNg2a0WhIkw4hav/HZFZCLIxSNeo7tpBnXML7qgAULU9JJpA0v+yR1loZ7b4+1Bw== |
| 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
| 2026-09-17T10:07:15.068373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077680observed 95b0918a3826f9abfbed3e95cd28c1bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:07:15.049924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077680/manifest.jsonobserved 780eb044b10c49eddedd282a026fdb08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:15.031081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077680/publication.mdobserved c4adbc7149966714f24aff030103455f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:15.010171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077680/publication.txtobserved e2fd49af4493ae24a61a5e4490a9de29...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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