OT-2026-000029060
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000029060) never changes.
Identity and time
| Publication number | OT-2026-000029060 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9f-7c21-b08d-c169c8c93823 · 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-2026-000029060 |
| Status | PUBLIC |
Content hashes
| Canonical text | d82e82ed0710017c8f173bbe88b2a67d075671a6a91baf1a4bb4677b398e5740 |
|---|---|
| Markdown | 2e4dbad0967442f7fa180fac86d04ce8e3a48b7801bee592733aa14e113aaf4a |
| Publication page | 2a539fc1e6c9869358d152145d83c189ad80b7e06ff241bbf68a3a7f181e222f |
| Manifest | e13176a1dc999c4435d24ac17af210d7535b56343b9b3ca02ff221f46186beb9 |
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 | UMEQZ36gkJZ2XVbtMRSt6uszrAC85fBgVM6wi9+8jdIiKJd2vxZ6hNDX/p191Y7NkwOJxPr4IT3PUwKULS+eBg== |
| 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
| 2026-10-01T00:41:20.056338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060observed 2a539fc1e6c9869358d152145d83c189...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-01T00:41:19.987933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060/manifest.jsonobserved e13176a1dc999c4435d24ac17af210d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:19.901913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060/publication.mdobserved 2e4dbad0967442f7fa180fac86d04ce8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:19.836306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060/publication.txtobserved d82e82ed0710017c8f173bbe88b2a67d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:39.021212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060observed 2a539fc1e6c9869358d152145d83c189...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:38.914583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060/manifest.jsonobserved e13176a1dc999c4435d24ac17af210d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:38.844579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060/publication.mdobserved 2e4dbad0967442f7fa180fac86d04ce8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T12:41:38.758588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029060/publication.txtobserved d82e82ed0710017c8f173bbe88b2a67d...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 |
|---|