OT-2026-000019593
Publication integrity record
Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000019593) never changes.
Identity and time
| Publication number | OT-2026-000019593 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-7fe2-b493-983f4b18b328 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019593 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e7573da1f53cc90283921113857961c5f6f590a07e4b0b1b17480de056988ef |
|---|---|
| Markdown | 1bb2795297583ae3b4ef4a4bb0da15548b32886fa11da8ecc759155d00b00cbb |
| Publication page | db3c747b10a1b35634266a21fb4267b844aa780c5fff9069b1276c55c9b19ae6 |
| Manifest | 573e38fc440c2745a30031c7e16d66b8e3ad14a5682bf46beaddb8157ae6cf0b |
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 | MhjAMh+C9X1NGAYWkcs+smxSGm8owjcyc7Mifm2zlVFCB2sz5CQvtdCEYO0+U3zyQ8fBFStyuLGMI+Kd5Iy0Dg== |
| 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
| 2026-10-24T12:41:13.853587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593observed db3c747b10a1b35634266a21fb4267b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T12:41:13.782715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593/manifest.jsonobserved 573e38fc440c2745a30031c7e16d66b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:13.706688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593/publication.mdobserved 1bb2795297583ae3b4ef4a4bb0da1554...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:13.636848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593/publication.txtobserved 1e7573da1f53cc90283921113857961c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:09.264661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593observed db3c747b10a1b35634266a21fb4267b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:09.187074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593/manifest.jsonobserved 573e38fc440c2745a30031c7e16d66b8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:09.114553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593/publication.mdobserved 1bb2795297583ae3b4ef4a4bb0da1554...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:08.986880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019593/publication.txtobserved 1e7573da1f53cc90283921113857961c...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 |
|---|