OT-2026-000029759
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000029759) never changes.
Identity and time
| Publication number | OT-2026-000029759 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e24-79c0-b926-b0ca99fa6143 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029759 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4347f5f31359e30331c0e1d81b950bb5988f3b764ec2ea581c0d3d411937e5f |
|---|---|
| Markdown | d531adb42f70d3f4352aa5f33898334dec9c1e0b82fc1b61fa6bc6f8329a39d9 |
| Publication page | cc5cecdc91cfe39d28369934d525ae63fd0cda9ec67deae0b14579651435f439 |
| Manifest | d736cf3525762fa51ccc499b07a5bb5eb0680d5ea33890ecd3382bc1a0ff5bc8 |
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 | jaaL5LDTq6hCuYhxtc7kVau11+cbnUONCBjJI3JaUSgBmP37ICFg0RApw2Vc8oMKRZQTaJd7n5TQNx4s2Ou/BQ== |
| 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
| 2026-09-25T20:41:16.563969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759observed cc5cecdc91cfe39d28369934d525ae63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T20:41:16.504747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759/manifest.jsonobserved d736cf3525762fa51ccc499b07a5bb5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:16.446718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759/publication.mdobserved d531adb42f70d3f4352aa5f33898334d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T20:41:16.389194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759/publication.txtobserved d4347f5f31359e30331c0e1d81b950bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:25.436636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759observed cc5cecdc91cfe39d28369934d525ae63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:25.389804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759/manifest.jsonobserved d736cf3525762fa51ccc499b07a5bb5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:25.340050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759/publication.mdobserved d531adb42f70d3f4352aa5f33898334d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:25.288018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029759/publication.txtobserved d4347f5f31359e30331c0e1d81b950bb...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 |
|---|