OT-2026-000052428
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer
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-2026-000052428) never changes.
Identity and time
| Publication number | OT-2026-000052428 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-7534-aeba-f6bb2228d33b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1fa316568342a4d2cf0823d73a398e5be6cf232498772832fd6318cc9cbafad4 |
|---|---|
| Markdown | 4554ae78c7c47fc0c682a135adc2966a8bd29baf7211b7a93ab1ee87dda88a37 |
| Publication page | 8a0b5afe22fe5dd30318d5c59cca95b9e8c14e0017fb15255ff50243a8c902b3 |
| Manifest | 47a5e2ccd05e2123a0d0a30405a5ff091b873ca912d7f9ebefd1557347c7f784 |
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 | b8X8OZ/jrzbA4xY+jOPHvk230p5c9YFjcQJ8PNt+L77Uc4AjmzxsjZ07IwccsDkRdaeT0xImgQioUhNIPhgpDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:02.725535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052428observed 8a0b5afe22fe5dd30318d5c59cca95b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:02.704390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052428/manifest.jsonobserved 47a5e2ccd05e2123a0d0a30405a5ff09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:02.683351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052428/publication.mdobserved 4554ae78c7c47fc0c682a135adc2966a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:02.666012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052428/publication.txtobserved 1fa316568342a4d2cf0823d73a398e5b...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. |
|---|