OT-2026-000085731
Publication integrity record
Foam pad vacuum gripper, three zone face, plant vacuum fed, sustained 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-2026-000085731) never changes.
Identity and time
| Publication number | OT-2026-000085731 · never reused |
|---|---|
| Internal UUID | 01a0ae99-aaae-7363-aa61-a75ce0ed3821 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:01:41.564662Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000085731 |
| Status | PUBLIC |
Content hashes
| Canonical text | ed8dba340025ede6ccdd8e521391e9e3e3684e4676c58d0d0bfb6a7f7bf8008f |
|---|---|
| Markdown | 1307fbf0d99b263cedbdb9236b3ee4ae6d39a5911fd9d9f89a93c6fd3627289e |
| Publication page | 7fbb68b41c4ca67219e3019857a6084d28aae29a3ef663fcd6facbcc0f765876 |
| Manifest | 1c28d365e187c6c258e22881e90d7b38e585e480bea1ce53bddcc7158da4336f |
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 | jhKcvza54vTEvxSk2+SvjCabbxCyi1/i3BgVOm8NVOg5zpiQErZQKZN5jx2VkL7dNNSztJ1UnsxEsKljq+7FAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-11-03T00:42:20.343054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731observed 7fbb68b41c4ca67219e3019857a6084d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T00:42:20.189142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731/manifest.jsonobserved 1c28d365e187c6c258e22881e90d7b38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:42:19.977899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731/publication.mdobserved 1307fbf0d99b263cedbdb9236b3ee4ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T00:42:19.847150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731/publication.txtobserved ed8dba340025ede6ccdd8e521391e9e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:43:05.615363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731observed 7fbb68b41c4ca67219e3019857a6084d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:43:05.399040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731/manifest.jsonobserved 1c28d365e187c6c258e22881e90d7b38...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:43:05.123363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731/publication.mdobserved 1307fbf0d99b263cedbdb9236b3ee4ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:43:04.820379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000085731/publication.txtobserved ed8dba340025ede6ccdd8e521391e9e3...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 |
|---|