OT-2026-000004321
Publication integrity record
Vacuum cup gripper, four zone face, four outlet manifold, 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-2026-000004321) never changes.
Identity and time
| Publication number | OT-2026-000004321 · never reused |
|---|---|
| Internal UUID | 01a0a913-eee5-7085-a1c2-fbadaed215d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:30.983664Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004321 |
| Status | PUBLIC |
Content hashes
| Canonical text | e52d72f03dc25a2a63f0648b598deb5c7ca8e4d580c48fb2dc05368d380e22de |
|---|---|
| Markdown | f0e7aa43de43282b7d14ee0060c8c42eceedb9150703eee23168bfed2e943c58 |
| Publication page | 74f6bd2fc9b220e68fe7fcbe45a652af7f957ff70d939dbcb6daac2b74786ca5 |
| Manifest | 77ffe62572effa9007e7d3f6e95887435f9a15bf481041b2c05a39439d6aec05 |
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 | XqznzWnmWIZTfGxKsDQXAFBg9Y6zKhL0X6lTzKTOH0ZsXDuO0UXSLh/gMBEsSsPJUUJsN3UIEckgc26TYE0PDQ== |
| 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
| 2026-09-16T07:20:11.175158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004321observed 74f6bd2fc9b220e68fe7fcbe45a652af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:11.158690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004321/manifest.jsonobserved 77ffe62572effa9007e7d3f6e9588743...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:11.143487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004321/publication.mdobserved f0e7aa43de43282b7d14ee0060c8c42e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:11.130342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004321/publication.txtobserved e52d72f03dc25a2a63f0648b598deb5c...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. |
|---|