OT-2026-000045955
Publication integrity record
Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000045955) never changes.
Identity and time
| Publication number | OT-2026-000045955 · never reused |
|---|---|
| Internal UUID | 01a0ae7d-8f89-7b5b-81ee-19a694bdd1cd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:30:59.492045Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000045955 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16b3d7551f88118fb2ad32aada313797f7784971b25c7c4f7fec92138a1b30de |
|---|---|
| Markdown | 12876563f47b3f686f21518e21016b5bc251d41daa6169e792ad5698789f7e64 |
| Publication page | a33efdc4f73beb00b4dea27f27344eac21fab4556171959b0e25392b588f3e02 |
| Manifest | afa29d2308e4fe2ed16b4a9c0be4a2c67cccab999bc45f69726d9a855e462816 |
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 | ziAG8dZQpXtgiuIIyMsi6RI1QX8OICUdKNRUjblXA0B4Fi++XteIuuFNMNo8T7wfsV3x6lNQMUASs7T5oODaDw== |
| 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
| 2026-10-07T08:41:20.040669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955observed a33efdc4f73beb00b4dea27f27344eac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T08:41:19.956987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955/manifest.jsonobserved afa29d2308e4fe2ed16b4a9c0be4a2c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:41:19.879016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955/publication.mdobserved 12876563f47b3f686f21518e21016b5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T08:41:19.791598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955/publication.txtobserved 16b3d7551f88118fb2ad32aada313797...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:54.438143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955observed a33efdc4f73beb00b4dea27f27344eac...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:54.300766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955/manifest.jsonobserved afa29d2308e4fe2ed16b4a9c0be4a2c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:53.985773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955/publication.mdobserved 12876563f47b3f686f21518e21016b5b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:41:53.556379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000045955/publication.txtobserved 16b3d7551f88118fb2ad32aada313797...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|