OT-2026-000004194
Publication integrity record
Porous face vacuum gripper, ejector 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-2026-000004194) never changes.
Identity and time
| Publication number | OT-2026-000004194 · never reused |
|---|---|
| Internal UUID | 01a0a911-371a-7146-b55b-9d30157d4b52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:32.861117Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004194 |
| Status | PUBLIC |
Content hashes
| Canonical text | ca971c2732245630b96e1dfddb3382a3528ec24b354e8ba7475e4aab993b875f |
|---|---|
| Markdown | 385645a2aaa2f05f3158b6e14155b059bced434c8761548508eb71fb48bf897d |
| Publication page | 40dada4a3d7e0f7984978b6e3b226da9822b34dff9c1ecb30d5429f81b8b0bfd |
| Manifest | 8c2c32b636d02312ee9f1848c23028f7e2aa03a85b00eca1cfa5aee713a3d8a5 |
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 | ZiBQ7DonYyi6K/7GDoXvTQYIrCEgV3EaeTpXJ4jKNSPs5iMP9vlAvU7kBN9cwzrI+3ki4KsWTo0Dxol7bVm6Cg== |
| 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
| 2026-09-16T07:20:25.620452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004194observed 40dada4a3d7e0f7984978b6e3b226da9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:25.479715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004194/manifest.jsonobserved 8c2c32b636d02312ee9f1848c23028f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.464713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004194/publication.mdobserved 385645a2aaa2f05f3158b6e14155b059...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.449974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004194/publication.txtobserved ca971c2732245630b96e1dfddb3382a3...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. |
|---|