OT-2026-000031063
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000031063) never changes.
Identity and time
| Publication number | OT-2026-000031063 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb8-799e-b89f-4c0ff4672b1b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031063 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91456c51bc4d7837e3b1acb883262da47909a3e0c8bb8a7d21a2f32d529daa4a |
|---|---|
| Markdown | f0e0f86d9aef4f986ac5cb72a226326af74ff4ab6f6f0cc0d43d99522031855a |
| Publication page | b7dca23cf9e3c5e3022d791539ade55e2711cb48e7d94df0f158edeb5730f41e |
| Manifest | 7f9b02f0e66635529b6e64339f7b3a04e07c07694b1aa53c9ac54a780ec99ab2 |
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 | acesxeha04Ks7qRosKNaID7UZSbJ+wV4FINTc4L7yi03K2wvmVzcjKJ28chJ5289jwkhbYXO1W+DEXOkALojBA== |
| 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
| 2026-09-30T16:41:08.357355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063observed b7dca23cf9e3c5e3022d791539ade55e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T16:41:08.296991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063/manifest.jsonobserved 7f9b02f0e66635529b6e64339f7b3a04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:08.228701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063/publication.mdobserved f0e0f86d9aef4f986ac5cb72a226326a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:08.125489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063/publication.txtobserved 91456c51bc4d7837e3b1acb883262da4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:34.907692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063observed b7dca23cf9e3c5e3022d791539ade55e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:34.822489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063/manifest.jsonobserved 7f9b02f0e66635529b6e64339f7b3a04...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:34.741310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063/publication.mdobserved f0e0f86d9aef4f986ac5cb72a226326a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:34.663540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031063/publication.txtobserved 91456c51bc4d7837e3b1acb883262da4...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 |
|---|