OT-2026-000020543
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000020543) never changes.
Identity and time
| Publication number | OT-2026-000020543 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-7f0e-abc6-c54017397b5c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020543 |
| Status | PUBLIC |
Content hashes
| Canonical text | 306caade875cef1fce1fe982c1746abe05dc78847639c3d1629849dc01533d1b |
|---|---|
| Markdown | 66f552797aca6dd8abc0a4d6629a2de99f1421b2ad5b6fda08b96cf7b73b6a4f |
| Publication page | bc706e4880c37fbc8cff8ed3ec89acc4084bfdfa4342f7fb7dd12a7df59d82e4 |
| Manifest | 7a5b63053a3031515d55c3a709ae4efb860495bee944e8d8725b252c8e39a52c |
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 | o7BYgQajaFITzkO4Cnejr97expGqR5wHZ/u0ny8yd0pZP0XqYesTMLs5r1ya5EuhTaYfYo3c000KSYDR+UP0Cg== |
| 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
| 2026-09-17T12:00:31.640843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543observed bc706e4880c37fbc8cff8ed3ec89acc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:31.623630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543/manifest.jsonobserved 7a5b63053a3031515d55c3a709ae4efb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:31.604293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543/publication.mdobserved 66f552797aca6dd8abc0a4d6629a2de9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:31.582572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543/publication.txtobserved 306caade875cef1fce1fe982c1746abe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:34.206538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543observed bc706e4880c37fbc8cff8ed3ec89acc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:34.188978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543/manifest.jsonobserved 7a5b63053a3031515d55c3a709ae4efb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:34.171382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543/publication.mdobserved 66f552797aca6dd8abc0a4d6629a2de9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:34.155935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020543/publication.txtobserved 306caade875cef1fce1fe982c1746abe...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. |
|---|