OT-2026-000053342
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000053342) never changes.
Identity and time
| Publication number | OT-2026-000053342 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a16-7532-9443-8e6409d7df2e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053342 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4be7af5d099c14ea7b106eac633d718a94726a19f0bf4afd81859e9f911dfab |
|---|---|
| Markdown | c78d21260d56541ab956e81d56445ff078870331bb27997bbb4bb89bf9046452 |
| Publication page | df519a296afe110623df0008cfdd8f2346cb924ec694857e0a75483465910c66 |
| Manifest | 48bfb5f53723cd6770abc65075f10ce34cefdfc319adfcb4d0ace2a8b9b3471a |
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 | BW07JhhdKLJ05sKLahdueg6EkOeYUojeSbeHkeCsp5ltkPeX+dqOEMS1puL2wwBvusmQkh91wo1G4OLKTnxlAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:55:03.006571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053342observed df519a296afe110623df0008cfdd8f23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:02.987601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053342/manifest.jsonobserved 48bfb5f53723cd6770abc65075f10ce3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:02.968400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053342/publication.mdobserved c78d21260d56541ab956e81d56445ff0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:02.949704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053342/publication.txtobserved f4be7af5d099c14ea7b106eac633d718...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. |
|---|