OT-2026-000032109
Publication integrity record
Single cup vacuum gripper, common isolation valve, 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-2026-000032109) never changes.
Identity and time
| Publication number | OT-2026-000032109 · never reused |
|---|---|
| Internal UUID | 01a0ae74-f7a4-7abe-a4ab-421381a65213 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:36.332587Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032109 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80c193c605cbb47bacb66616d056d8b07546dbcc257313c48582d416b3b3055b |
|---|---|
| Markdown | 588bfa34b77b8a7dfead47f78457d780c7ad7d1920e387792178754fdccd83e3 |
| Publication page | 43e36c89fb397b959fdc03953bcd97c3d68daf9cf8acb8dce72b41f92a3bf767 |
| Manifest | 66173156ca595eadcd13b9720c4e41f09a0564734d30ceac9d16e59c42e43217 |
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 | cdUpJPmRejGtNvBtQAe0BoUHjM1nHK9pO0gl2Vbboa+ITI9q8VsSpwXgObnq/R8aroLe8Pe2152/pgwd25bpCA== |
| 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
| 2026-09-17T11:34:25.345840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032109observed 43e36c89fb397b959fdc03953bcd97c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:25.327014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032109/manifest.jsonobserved 66173156ca595eadcd13b9720c4e41f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:25.303097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032109/publication.mdobserved 588bfa34b77b8a7dfead47f78457d780...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:25.285454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032109/publication.txtobserved 80c193c605cbb47bacb66616d056d8b0...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. |
|---|