OT-2026-000004738
Publication integrity record
Bellows cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000004738) never changes.
Identity and time
| Publication number | OT-2026-000004738 · never reused |
|---|---|
| Internal UUID | 01a0a921-c10c-704d-b324-c6283e750497 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:36.751866Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004738 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80a3fd2d15f2f439e40212f88e9c04fb8d9b3b934770ed631a740c9dbb19823a |
|---|---|
| Markdown | 99c44b76059b5561667f9adcd58eb7c9af43a84a36e7137c5b9b124c1504cf5b |
| Publication page | 541e70cc7d40743c2403c2482909199c8358d3e9091dca17f3a70d2ec9e854a7 |
| Manifest | 94b6b607b02abb50a94598a7a3766408ada73a2e612a3d0f8a304eee1938899e |
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 | dBInXDPvJCXOzfvdAg775deHWlQbNwfmtnyfLR2thPeMQcKWV5+YfINHAxn7WYjn274RfM2DBsMUyyET40UbAA== |
| 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
| 2026-09-16T07:40:24.189872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004738observed 541e70cc7d40743c2403c2482909199c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:24.179318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004738/manifest.jsonobserved 94b6b607b02abb50a94598a7a3766408...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.167880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004738/publication.mdobserved 99c44b76059b5561667f9adcd58eb7c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.156434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004738/publication.txtobserved 80a3fd2d15f2f439e40212f88e9c04fb...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. |
|---|