OT-2026-000004295
Publication integrity record
Porous face vacuum gripper, plant vacuum fed, pressure verified at each zone, 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-2026-000004295) never changes.
Identity and time
| Publication number | OT-2026-000004295 · never reused |
|---|---|
| Internal UUID | 01a0a913-526c-7335-8e0f-06669c532f1a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:50.928289Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004295 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0338ae18063a1847c49c447a8bd2e864121945e98b9bc8382f878cc3c2875afe |
|---|---|
| Markdown | 53e9de2d244783159e5b2bab6e3c796e0d19072bb84a1d0c3e0c64a992f4c177 |
| Publication page | ec71d18ce9ae3348b851c1a24301e3d55d534b95127b3a014de6a51c742fec09 |
| Manifest | dac83997854726187444c90c76f43ba9cd2db5adb8c3a90359df2b1a215f8716 |
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 | V2EySwhs7J9CLJahoRD3yYL2RuGln9s4iBErwxerGElmwHRz/WnDvctICnLTiS29n7/cGe1urHsZCyCA4mpuBw== |
| 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
| 2026-09-16T07:20:14.120086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004295observed ec71d18ce9ae3348b851c1a24301e3d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:13.982854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004295/manifest.jsonobserved dac83997854726187444c90c76f43ba9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:13.968250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004295/publication.mdobserved 53e9de2d244783159e5b2bab6e3c796e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:13.953477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004295/publication.txtobserved 0338ae18063a1847c49c447a8bd2e864...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. |
|---|