OT-2026-000004055
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, ejector fed, 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-2026-000004055) never changes.
Identity and time
| Publication number | OT-2026-000004055 · never reused |
|---|---|
| Internal UUID | 01a0a90d-f9cb-76a4-9ba1-76c6a0c93cae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:00.558469Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004055 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d68f2d122d7ce7958d9ccb8ff96fa039ba89c42c126320e200047fbae05895f |
|---|---|
| Markdown | 610834817ee81886ff5cee99da30228e4b8dc82d27c4080496ca643d3a4d06ec |
| Publication page | f12d091050c4d25808423a936a35d8a38bbdd7fe94ef4673332ef663ad7a5888 |
| Manifest | 7200653f0542382542b723c92e666fb8898f0c1cd104b088db173d807f315b69 |
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 | 9uunHN9wLzY6RpfcIrjmS5nrmfDMoer1bINiPfzoaQ2r6JEiV8hgpfOvo7VanTyPUOMPFXssYt46qOKaukqxCw== |
| 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
| 2026-09-16T07:40:33.413134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004055observed f12d091050c4d25808423a936a35d8a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:33.399509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004055/manifest.jsonobserved 7200653f0542382542b723c92e666fb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.386130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004055/publication.mdobserved 610834817ee81886ff5cee99da30228e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:33.372775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004055/publication.txtobserved 4d68f2d122d7ce7958d9ccb8ff96fa03...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. |
|---|