OT-2026-000007839
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented after 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-2026-000007839) never changes.
Identity and time
| Publication number | OT-2026-000007839 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-7abd-a0ee-553b25a908c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007839 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b9cabc3881b8a010a80bb937cfb0047ae4b0659eca6465047193d82df462638 |
|---|---|
| Markdown | f31bf9ef2fd1b7cbefcca2950a8467be4a6be52293b85c3d65ec1e5fd5b68889 |
| Publication page | eccf12a3abbbf3ce9af6f7fe4a69713885065107d4db8c35fb0ce2a7eba46c55 |
| Manifest | de7f81daf9929a1001239fd905aa35a5b5e8c13dbfd57f5485465bb37d81fa08 |
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 | Wxbv8sAX2aOkv7d8B9iYCdrun6xHuQMhn4XbSYfNqw7kR9puTw+Af3YaJ6VwHqQ8veCgSVe6LEOAAw01a8gKCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-23T04:23:34.814183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839observed eccf12a3abbbf3ce9af6f7fe4a697138...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T04:23:34.798792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839/manifest.jsonobserved de7f81daf9929a1001239fd905aa35a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:34.784273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839/publication.mdobserved f31bf9ef2fd1b7cbefcca2950a8467be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:23:34.725850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839/publication.txtobserved 7b9cabc3881b8a010a80bb937cfb0047...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:11.632180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839observed eccf12a3abbbf3ce9af6f7fe4a697138...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:11.507089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839/manifest.jsonobserved de7f81daf9929a1001239fd905aa35a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:11.418790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839/publication.mdobserved f31bf9ef2fd1b7cbefcca2950a8467be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:11.283612Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007839/publication.txtobserved 7b9cabc3881b8a010a80bb937cfb0047...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 |
|---|