OT-2026-000004514
Publication integrity record
Bellows cup vacuum gripper, plant vacuum fed, pressure verified, contact triggered
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-2026-000004514) never changes.
Identity and time
| Publication number | OT-2026-000004514 · never reused |
|---|---|
| Internal UUID | 01a0a91a-832f-72c2-be02-a06d99459f2d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:42.162555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004514 |
| Status | PUBLIC |
Content hashes
| Canonical text | 10b3bf8339a3105b5fab0454062e70089a63c45395be11db73febb57ada56d59 |
|---|---|
| Markdown | 6b6acd41bdd43defc57973a27061de0b8065e44cb0227ed56ef974cb9bf9decf |
| Publication page | fe340a262233732d39329ac2cbb354904f618fa251b30de4aabc78c96b3bbcf9 |
| Manifest | 53b14bec5403561ecb782716965e41b63b8024eaf83f8e30a732aef4909e9fb9 |
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 | H1GHLOnX29be9CeAI1r9v8kF9z2nK5xLo/uY8K/EfzmFknRCrqe6XuHcVavv4UcIYXCU4qJ+/9v2NkwA5Qg3Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-11T04:23:13.213985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514observed fe340a262233732d39329ac2cbb35490...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T04:23:13.200790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514/manifest.jsonobserved 53b14bec5403561ecb782716965e41b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:13.188163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514/publication.mdobserved 6b6acd41bdd43defc57973a27061de0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:23:13.106202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514/publication.txtobserved 10b3bf8339a3105b5fab0454062e7008...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:42.253661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514observed fe340a262233732d39329ac2cbb35490...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:42.239172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514/manifest.jsonobserved 53b14bec5403561ecb782716965e41b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:42.222011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514/publication.mdobserved 6b6acd41bdd43defc57973a27061de0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:42.171483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004514/publication.txtobserved 10b3bf8339a3105b5fab0454062e7008...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|