OT-2026-000004687
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, ejector fed, pressure verified at each zone
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-2026-000004687) never changes.
Identity and time
| Publication number | OT-2026-000004687 · never reused |
|---|---|
| Internal UUID | 01a0a920-2a60-7ec1-83ae-c44d81740b09 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:52.643967Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004687 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3ff4a8ad17f9e96c9935f75f25d83221d38f4b3b0d0951b70ba7c7afb4a4d808 |
|---|---|
| Markdown | 82c187bbf4efe2e8ba6d61338769b1d44f7396abf146f9fb2c621a5b3b78146b |
| Publication page | 4729bff0b8a6bb226ae04680eb0de517467d33ecb7de526c54b3e7a0dceb861a |
| Manifest | c122ea03aa3b23527e0cf1a9ca39e20176024d7379505c723e69d088ccfbd586 |
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 | 1DlDhgkXUBDSI0qRl4LD3puMIzaUJe+UI2EES3Sk0RdFv15YgzScN+zZCGUwDtQQrY9OlXO9ulKXVv0LVyL+DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:29.483736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004687observed 4729bff0b8a6bb226ae04680eb0de517...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:29.470953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004687/manifest.jsonobserved c122ea03aa3b23527e0cf1a9ca39e201...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.455821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004687/publication.mdobserved 82c187bbf4efe2e8ba6d61338769b1d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.440985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004687/publication.txtobserved 3ff4a8ad17f9e96c9935f75f25d83221...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. |
|---|