OT-2026-000055691
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000055691) never changes.
Identity and time
| Publication number | OT-2026-000055691 · never reused |
|---|---|
| Internal UUID | 01a0ae87-09ca-72dc-a39a-109a2d894b68 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055691 |
| Status | PUBLIC |
Content hashes
| Canonical text | c25ab2021c099ac52b37396d7ea74d8476f18f45fa527710326bac16c0980c4d |
|---|---|
| Markdown | 7461cbce282583e1145a1ea085d3ba2311ee87e2f7e86777057fa825a5c7548e |
| Publication page | 660d5e71f8f1bd1ec0b44042087f60b14618f547b5a83f539d12da6595607050 |
| Manifest | d68096e147e0356d52df4395978444a7b7021b1d8e93d397ab49722ac4824624 |
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 | PYyRg1e589wHPoIDw4IL3A6RUI26X464Vk227feCeVlukM/AkTJz9FsMNHoQLno3s7VcQEbIk/GRaNwsyB3fAQ== |
| 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
| 2026-09-17T10:51:00.975056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055691observed 660d5e71f8f1bd1ec0b44042087f60b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:00.958338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055691/manifest.jsonobserved d68096e147e0356d52df4395978444a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:00.940952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055691/publication.mdobserved 7461cbce282583e1145a1ea085d3ba23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:00.923409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055691/publication.txtobserved c25ab2021c099ac52b37396d7ea74d84...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. |
|---|