OT-2026-000004140
Publication integrity record
Vacuum cup gripper, four outlet manifold, 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-2026-000004140) never changes.
Identity and time
| Publication number | OT-2026-000004140 · never reused |
|---|---|
| Internal UUID | 01a0a90f-7184-7106-bd58-86400e1d4f94 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:36.743352Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004140 |
| Status | PUBLIC |
Content hashes
| Canonical text | ae383e32196ef20a07b6c6db11fec384ad4c27920c675fb757c56e1025da3fb5 |
|---|---|
| Markdown | 7f029c58e918b21cf0ed929355ad8e1ad7a00b8e20e37482386c99a4bb7f9912 |
| Publication page | 095fe5e70c0b70f5a0bde32ae14fa13c5871cd417aead4cbe2466411fc969c19 |
| Manifest | 08481da6baf6f8e34a2aaf1c99b1a83b5cac41df32e0329c91d43f1e51ffba38 |
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 | jDm9kUJSfuIUjeeA0/b0f7AhdQFDEXhNNdu8pbal1Qn8W4FEOxnodROOifS6W7uUraKLYfXqAKEBgR48B7n0CQ== |
| 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
| 2026-09-16T07:20:31.901694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004140observed 095fe5e70c0b70f5a0bde32ae14fa13c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:31.889311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004140/manifest.jsonobserved 08481da6baf6f8e34a2aaf1c99b1a83b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.876389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004140/publication.mdobserved 7f029c58e918b21cf0ed929355ad8e1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:31.739900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004140/publication.txtobserved ae383e32196ef20a07b6c6db11fec384...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
| Custody package | Pending Custody packages are produced weekly. |
|---|