OT-2026-000071480
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000071480) never changes.
Identity and time
| Publication number | OT-2026-000071480 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ed-7313-a545-60e6050fb19e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071480 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4238e111288cc2b152b07ba7c0be15a981cb3efcccc3ec0af4e096c33df9f60 |
|---|---|
| Markdown | a959ebf1863edb415078d45b23dee68a2a1045a917643a7b5353361abb411c71 |
| Publication page | 52b0409f21121232e499a272f1372b98afc3465c89270b86a6aae20e841cb5f7 |
| Manifest | 7170d5cf0c17651c0de51cb9b68cec254f70ec9527c17e408c682b8bb4f7765f |
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 | nn6LiZtSsgdv3VsXXof+NU3scTIxpecH5vlTUkj0Rm9ttI5/LTHtn297cSFVrnpNKOSuCv96qY4rWhON2w1JBg== |
| 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
| 2026-10-08T12:41:55.125686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480observed 52b0409f21121232e499a272f1372b98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T12:41:55.042144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480/manifest.jsonobserved 7170d5cf0c17651c0de51cb9b68cec25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:54.964581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480/publication.mdobserved a959ebf1863edb415078d45b23dee68a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:54.847606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480/publication.txtobserved f4238e111288cc2b152b07ba7c0be15a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:20.834038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480observed 52b0409f21121232e499a272f1372b98...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:20.782158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480/manifest.jsonobserved 7170d5cf0c17651c0de51cb9b68cec25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:20.724499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480/publication.mdobserved a959ebf1863edb415078d45b23dee68a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T04:41:20.665008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071480/publication.txtobserved f4238e111288cc2b152b07ba7c0be15a...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 |
|---|