OT-2026-000004244
Publication integrity record
Vacuum cup gripper, three zone face, ejector fed, pressure verified, vented after set down
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-2026-000004244) never changes.
Identity and time
| Publication number | OT-2026-000004244 · never reused |
|---|---|
| Internal UUID | 01a0a912-800b-7035-b7e5-54b7f90f05a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:57.070824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004244 |
| Status | PUBLIC |
Content hashes
| Canonical text | b613c2e993c55cec0c1bc23fc7dc3065470cba590dcfdbfa89e09df66893a501 |
|---|---|
| Markdown | 3628f3f77161f6371e38142f8933ee4df02ebd5f76f316b875df883a6285d44f |
| Publication page | a1cd16139fd563cccb89bfc5856488efbdfbfe5bab3ba36f6b754c1b56fb6b18 |
| Manifest | 14b9acebada36bf4bec7043a41b61d1a2f329502d961a4b2dae9fb9a6bbf978f |
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 | PtNp0m8bxIkkq6VTDwerorypDr1ZPkpfH7X22i3keqFt6yNd7C+5L5W8XZtXp/Lhr5+x2TsypyZU1barEXqUDA== |
| 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
| 2026-09-16T07:20:19.899205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004244observed a1cd16139fd563cccb89bfc5856488ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:19.884676Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004244/manifest.jsonobserved 14b9acebada36bf4bec7043a41b61d1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.870103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004244/publication.mdobserved 3628f3f77161f6371e38142f8933ee4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.732452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004244/publication.txtobserved b613c2e993c55cec0c1bc23fc7dc3065...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. |
|---|