OT-2026-000004779
Publication integrity record
Bellows cup vacuum gripper, 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-2026-000004779) never changes.
Identity and time
| Publication number | OT-2026-000004779 · never reused |
|---|---|
| Internal UUID | 01a0a923-1761-7164-b66d-a882d46d0473 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:04.388319Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004779 |
| Status | PUBLIC |
Content hashes
| Canonical text | f94e7d1b6b272b4ad3cf7103d9ae78cce190c4fee6ac18a3b7e762681fa694d7 |
|---|---|
| Markdown | f09da6beb430188f35e0dafdcaff35d933199c2740d15a2028863ee6b41c1181 |
| Publication page | 0d85df503c11970b1d11c73fa4bb8cf736aa6f14638ef5ca3d53170871476042 |
| Manifest | 861435283be8e2caeea4c3ca4aaee43192182e4cac1634018726268411eaaa89 |
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 | NhGfab5/vCxjfmThGyzLPqe9I7QMB6uB3XcFuKbVqEmh4geF6I8vRxHauC0lu27jS0tBf2Z406L9tC+YdjCeCQ== |
| 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
| 2026-09-16T07:40:19.898913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004779observed 0d85df503c11970b1d11c73fa4bb8cf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:19.885200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004779/manifest.jsonobserved 861435283be8e2caeea4c3ca4aaee431...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.871179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004779/publication.mdobserved f09da6beb430188f35e0dafdcaff35d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:19.735815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004779/publication.txtobserved f94e7d1b6b272b4ad3cf7103d9ae78cc...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. |
|---|