OT-2026-000004591
Publication integrity record
Bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector
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-2026-000004591) never changes.
Identity and time
| Publication number | OT-2026-000004591 · never reused |
|---|---|
| Internal UUID | 01a0a91d-0bfa-76c6-9dfb-3c41886e0980 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:28.368545Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004591 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e816f59f98e9dba5aef95cf4f337d88c8edb9aa0ab8a03eba57410c9295f1f2 |
|---|---|
| Markdown | f15c53cdb85a5f479e4bc0068b594ee02e8f8e9112d83b239d36e15d3bc80afe |
| Publication page | a434d1036dc76017572c2701b8079b26b1ab18df608d0561e34d2bc4d70a7df8 |
| Manifest | 97eb986db2578ca67d173326e3b67a4cacc184774dc789d9de02510d3c56e019 |
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 | AvmfPX+pdP1XVmy9O2Axnr7XEzrjrSGErHmtkFUbmH4fS/qZBd9jher8oh0qywHJ3/TlgCDSehoD1rAR0BxFBQ== |
| 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
| 2026-09-16T07:30:11.489086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004591observed a434d1036dc76017572c2701b8079b26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:11.476658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004591/manifest.jsonobserved 97eb986db2578ca67d173326e3b67a4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:11.464487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004591/publication.mdobserved f15c53cdb85a5f479e4bc0068b594ee0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:11.451215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004591/publication.txtobserved 5e816f59f98e9dba5aef95cf4f337d88...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. |
|---|