OT-2026-000004952
Publication integrity record
Porous face vacuum gripper, common isolation valve, plant vacuum fed, contact triggered
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-2026-000004952) never changes.
Identity and time
| Publication number | OT-2026-000004952 · never reused |
|---|---|
| Internal UUID | 01a0a928-f475-7783-97c7-6aa63b9b7fe4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:28.664567Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004952 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a1a7bad1a00c10faf719c6fe533b119f9652c0232ffea1e9a96a4ba56eb2e64 |
|---|---|
| Markdown | 54da663f58e1afcb5c16d7153999886bed71d088c0a0d3dfd9399cfbd3b0cd7d |
| Publication page | 0cc22b2c4f128cd35ed3d4d590ccbc1edd73ee482ff64ad6ad65e2bbb9d48ead |
| Manifest | eb3c328bb54d3bac37fb172310b861f0e7a8877822260d607dfbef689b6f48ab |
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 | xdesFKxm4G7Sf6WQ7r/uLRwVGlbDqRJGTrmHhPv+ZHG64iA0lAwm++WTBNLvcTKIS07xMMTWDZsR3lUiae5lAw== |
| 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
| 2026-09-16T07:50:31.674234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004952observed 0cc22b2c4f128cd35ed3d4d590ccbc1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:31.661475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004952/manifest.jsonobserved eb3c328bb54d3bac37fb172310b861f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.649558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004952/publication.mdobserved 54da663f58e1afcb5c16d7153999886b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:31.637927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004952/publication.txtobserved 4a1a7bad1a00c10faf719c6fe533b119...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. |
|---|