OT-2026-000004647
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, two outlet manifold, plant vacuum fed
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-2026-000004647) never changes.
Identity and time
| Publication number | OT-2026-000004647 · never reused |
|---|---|
| Internal UUID | 01a0a91e-c717-71ad-9de9-5a93a1e14839 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:21.690795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004647 |
| Status | PUBLIC |
Content hashes
| Canonical text | 768784dc7e96f485ffe549633f7fd38d489603788d938cfa6bf2e6ed0f094ee7 |
|---|---|
| Markdown | ba902d9a5e7bd60470d50093f07af45fd0e96797f8c7a11772a94aa6432cf7c1 |
| Publication page | 212d08b66f58368bcd2adbabd48705e7746e0a2bb2dbbeadb866acac1d3f6bda |
| Manifest | ad8c55193644235faa278e4e409ef5380aa9e8bb10315458281b420b89bead58 |
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 | Zb0B4TFeppvD2xx/qlvkiORRvNWmEQHRnyFxCIuimHTypSDIwOTtXbBlHE5Z8+uVeeGNDkUCJfKg4pDrGWKFDQ== |
| 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
| 2026-09-16T07:30:05.176924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004647observed 212d08b66f58368bcd2adbabd48705e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:05.152616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004647/manifest.jsonobserved ad8c55193644235faa278e4e409ef538...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:05.128568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004647/publication.mdobserved ba902d9a5e7bd60470d50093f07af45f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:04.993142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004647/publication.txtobserved 768784dc7e96f485ffe549633f7fd38d...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. |
|---|