OT-2026-000004231
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000004231) never changes.
Identity and time
| Publication number | OT-2026-000004231 · never reused |
|---|---|
| Internal UUID | 01a0a911-df1a-7551-9cce-885e9b13dc91 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:15.871033Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004231 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce48a9b28499c9771cc034e084f7fd8bbcb09ec893eff5e261e8b1148a1b1f19 |
|---|---|
| Markdown | 3bed8855fdc52154787d44b8d7163efb6e8293896409232afbc4c510de64d877 |
| Publication page | 53f485abd2c8af4abaf7d262b2c1ac6f85402313191b2af7bc3e994f8d1b2b9f |
| Manifest | 771821aab498cabc6549726f5a5a256ce4dddc6bd0629ae493cd1bd103d88b52 |
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 | WH2pySAwy15PzkMtKGC+j2mucLLz7D2zkbxV8SPIZlxg0PyS3TCmQ5ky2eyVY7hPIHDlhbryr+qZiopmi/8sBw== |
| 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
| 2026-09-16T07:20:21.393866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004231observed 53f485abd2c8af4abaf7d262b2c1ac6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:21.380151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004231/manifest.jsonobserved 771821aab498cabc6549726f5a5a256c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.244757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004231/publication.mdobserved 3bed8855fdc52154787d44b8d7163efb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.228001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004231/publication.txtobserved ce48a9b28499c9771cc034e084f7fd8b...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. |
|---|