OT-2026-000031609
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000031609) never changes.
Identity and time
| Publication number | OT-2026-000031609 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bacf-7427-8f20-e40dcdb60f91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031609 |
| Status | PUBLIC |
Content hashes
| Canonical text | a53c7ed106089eaf5970a0fd8164fff8aa833e6d62862996bc5e016ddd837701 |
|---|---|
| Markdown | 063f52dd6d66779bbf74678c531e9729616ce683d3cca41efde928aa65247bd3 |
| Publication page | ebb67782df1994817372c01a0f3cde9a44cdc3cc5de5d4fc84de5d1ba9495509 |
| Manifest | 45ede8009b235d1a3d5c55cee4e3110c01ff3c75ddd15c9a22ea8b06593edd22 |
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 | lCmR4P3iWPbTwUkKfJNfCAHkmKGj+XFK2OyBkrO4XBcPh/o+HjUQGDH8/Rm1WJgipj2U4fdUvuxfh87SqUpnDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:34:39.305178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031609observed ebb67782df1994817372c01a0f3cde9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:39.287921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031609/manifest.jsonobserved 45ede8009b235d1a3d5c55cee4e3110c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:39.269300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031609/publication.mdobserved 063f52dd6d66779bbf74678c531e9729...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:39.253082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031609/publication.txtobserved a53c7ed106089eaf5970a0fd8164fff8...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. |
|---|