OT-2026-000072244
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented before 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-2026-000072244) never changes.
Identity and time
| Publication number | OT-2026-000072244 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c2-7d76-85e0-038130e40a87 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072244 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ccd0819a55e930bfc7d02faaba98f5f3055d09ed54436a6592400194515faee |
|---|---|
| Markdown | b42b43db470780b89fb257bce4e50485e3c3dc4b31e4bd7303d2e90236b4ac71 |
| Publication page | 4a5484cdfe91c761aaa8e4cb61fa103e4ff26c9aae75d5b52c0343900ce1cbe2 |
| Manifest | 52971fe64a185b883e3cb81cddd11d11969a3bcc4380296ce4c102b8291ad42e |
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 | ExpLyRBA6n5T5zxsoa3qPYQkYMGa4jbM0i26YVQEDdSn+DfJopvKOn/RkrclKDq6n1tuESWvHpYQL/sJ8saIAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:21.128797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072244observed 4a5484cdfe91c761aaa8e4cb61fa103e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:21.112323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072244/manifest.jsonobserved 52971fe64a185b883e3cb81cddd11d11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:21.095643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072244/publication.mdobserved b42b43db470780b89fb257bce4e50485...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:21.077656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072244/publication.txtobserved 2ccd0819a55e930bfc7d02faaba98f5f...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. |
|---|