OT-2026-000031985
Publication integrity record
Single cup vacuum gripper, pump 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-2026-000031985) never changes.
Identity and time
| Publication number | OT-2026-000031985 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-70c6-8734-c74db60aeede · 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-2026-000031985 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1a05886a040c5350f845453d2bde53b209bfd4b501564768eb5eb70ac23da2b |
|---|---|
| Markdown | 1551474b9efe38dac03427f2774574d39c6f5b82bf0a3181e554bda5888aa4b3 |
| Publication page | 17c97013ffb1d4342dba1a075166837e53c41b8d3077823ceb00308754abd472 |
| Manifest | 8f27797d14c43237cd4401038d981da74a57424346e8e3dc349d80d7b8d4ec3c |
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 | bz2XpA7moc53nDdHj2CnQLbslmVP5xPSBYfuocH0V8VnQXb0oEBMMPN4ESWv6NY3cfuSG831/dgbcxdHFE2GAw== |
| 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
| 2026-09-17T11:35:22.805613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031985observed 17c97013ffb1d4342dba1a075166837e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:22.759141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031985/manifest.jsonobserved 8f27797d14c43237cd4401038d981da7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:22.586658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031985/publication.mdobserved 1551474b9efe38dac03427f2774574d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.942719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031985/publication.txtobserved a1a05886a040c5350f845453d2bde53b...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. |
|---|