OT-2026-000048615
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down
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-2026-000048615) never changes.
Identity and time
| Publication number | OT-2026-000048615 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de8-7cc7-9da4-8d3a23522fa0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048615 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc4f14f679282e401ab4d888f15a96614ccbf4c3799cddd70d7059b4804fadf4 |
|---|---|
| Markdown | 50a3bb9893cbfa414de30904ce77627406e3d0062acf28172bb7852ad99045b3 |
| Publication page | ab2e0f374598581ec0496b68676316258b2a3ca25062acf509a14dd1a9d6b22e |
| Manifest | 26578ccbace82173b487d20d50893a4bb700b647bf0942599c8c5dab42e4ea54 |
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 | HJD3SIVgO63sIgIC3S55YrB43708JrI30upU01LAhWBWOUbU85WniNFDlhCdWvFuywZIj5I2EhP3kx/KzjR5DQ== |
| 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... |
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Independent retrieval
| 2026-10-24T04:41:12.082953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615observed ab2e0f374598581ec0496b6867631625...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:41:12.009988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615/manifest.jsonobserved 26578ccbace82173b487d20d50893a4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:11.933045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615/publication.mdobserved 50a3bb9893cbfa414de30904ce776274...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:11.852294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615/publication.txtobserved fc4f14f679282e401ab4d888f15a9661...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:11.760603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615observed ab2e0f374598581ec0496b6867631625...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:11.714712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615/manifest.jsonobserved 26578ccbace82173b487d20d50893a4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:11.668404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615/publication.mdobserved 50a3bb9893cbfa414de30904ce776274...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:11.605907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048615/publication.txtobserved fc4f14f679282e401ab4d888f15a9661...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. |
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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 |
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