OT-2026-000004725
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, four outlet manifold, plant vacuum fed, 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-2026-000004725) never changes.
Identity and time
| Publication number | OT-2026-000004725 · never reused |
|---|---|
| Internal UUID | 01a0a921-5c30-72da-a6b8-d6914ed19817 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:10.931059Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004725 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2e1e70910c44dcab9b15e1dbd8cea23c79aa26434f6001782c69a70a7fd6ac6a |
|---|---|
| Markdown | 4eacb19c2a8f27c84e5bd71945129c2bf1870f375cfba1470e5f5f140f1874f5 |
| Publication page | ada25721de929e0820a3d88fca2cc870d028a4d50e741a9220c0f58fe67e1ca8 |
| Manifest | 59fe3feda7d441acfe85f5018316cc93c77e39c1b90e1a5f27be5017d77c3604 |
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 | cFTQmbkVjMIVLtXSX18ynVCm/KI9VV/IPXErdkGciMlNQrn8grsf3DdfcSOPcfxHE+SbwmGlYID4xPUxuzpTBQ== |
| 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
| 2026-09-16T07:40:25.636859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004725observed ada25721de929e0820a3d88fca2cc870...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:25.623705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004725/manifest.jsonobserved 59fe3feda7d441acfe85f5018316cc93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.480990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004725/publication.mdobserved 4eacb19c2a8f27c84e5bd71945129c2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:25.466082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004725/publication.txtobserved 2e1e70910c44dcab9b15e1dbd8cea23c...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. |
|---|