OT-2026-000029253
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029253) never changes.
Identity and time
| Publication number | OT-2026-000029253 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2aa1-773a-96fb-6fe941db5cac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6e347286350e00f58d50a745020e4e3174fa2802713da4fd794aa7d17e7eb6ff |
|---|---|
| Markdown | 890eecfaf43b65857fb2fafec046e4545aa56f42ecac5ca571ed257f49f04c5a |
| Publication page | 6532aebfa0a776a734138869cdb6c646419ec0d277c33c8f1e35b0c3146002e5 |
| Manifest | 8de1b954224ecabbeafd0f7285e8e20f4a98f1ebd98d0120a7952c36269049c3 |
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 | iOvpkWzEE/InqP/bKljx6ymQJ2HEkjTAcHzlJnxllMY/Odl+w24bEuMDRIqYJ7CKDgh6+GyLX2GDfkSpWDMZCQ== |
| 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
| 2026-11-02T16:41:59.864305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253observed 6532aebfa0a776a734138869cdb6c646...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T16:41:59.760294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253/manifest.jsonobserved 8de1b954224ecabbeafd0f7285e8e20f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T16:41:59.708333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253/publication.mdobserved 890eecfaf43b65857fb2fafec046e454...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T16:41:59.633599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253/publication.txtobserved 6e347286350e00f58d50a745020e4e31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:53.175283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253observed 6532aebfa0a776a734138869cdb6c646...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:53.102628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253/manifest.jsonobserved 8de1b954224ecabbeafd0f7285e8e20f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:53.025847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253/publication.mdobserved 890eecfaf43b65857fb2fafec046e454...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:52.935526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029253/publication.txtobserved 6e347286350e00f58d50a745020e4e31...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 |
|---|