OT-2026-000004212
Publication integrity record
Porous face vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure verified
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-2026-000004212) never changes.
Identity and time
| Publication number | OT-2026-000004212 · never reused |
|---|---|
| Internal UUID | 01a0a911-7d0b-72dd-902a-fee3a7ce78f1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:50.766647Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004212 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80c6b58d1fa2f1c24b4b5c64e32695496bbef2d254a577f6ac64a9c8b0ab0414 |
|---|---|
| Markdown | 35949c21d8389e19c34fd78f07802154cbcfbb17ba35116d46ab82b5501976f1 |
| Publication page | 322753962bf1c1f6a27e262ea77b09f83e1095116d29768e4f229596eeed7984 |
| Manifest | 427a6f3ce3678c3c71115c18fd92062d24aeb3d517f8088b2b198d979dece81b |
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 | N2ZnYANsFBqUm0rRuOon2+0Kayp+8valqOwjkWWmWEurQFHetbngaWlzC7VBoPH1NRG1yG3oMq1n2Wcf3toMAw== |
| 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
| 2026-09-16T07:20:23.447582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004212observed 322753962bf1c1f6a27e262ea77b09f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:23.432378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004212/manifest.jsonobserved 427a6f3ce3678c3c71115c18fd92062d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.416369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004212/publication.mdobserved 35949c21d8389e19c34fd78f07802154...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:23.400965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004212/publication.txtobserved 80c6b58d1fa2f1c24b4b5c64e3269549...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. |
|---|