OpenTechnical

OT-2026-000038189

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000038189) never changes.

Identity and time

Publication numberOT-2026-000038189 · never reused
Internal UUID01a0ae78-2d50-75be-85aa-777fa1ad799a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038189
StatusPUBLIC

Content hashes

Canonical textcf529092eab38c8d22fb7470b3d2f73e8698f75bbf259224cfdde4f31ea18350
Markdownc2e7691133a750f5a6b93a746a4fb39ef03d3af18d891d7924d62f8ae5f21f76
PDF
Publication pagea34d752f30c6a463b8ba4fd236df1ceed3968d608ef9e52e26f01ba3108c1ac5
Manifestc192a440217498c4d0bedbed60b485067e0fe467e0b0a39b2633ea377cf95d75

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureznXsseW5HpVzrzNClAPGwddDQlGA+0A2RJM2khVrddnV/5yKuiiwQOG7Xxjzv+WpLm14AEIDq8QD/xZ7TPB5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:18.980627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038189
observed a34d752f30c6a463b8ba4fd236df1cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.963877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038189/manifest.json
observed c192a440217498c4d0bedbed60b48506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.947386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038189/publication.md
observed c2e7691133a750f5a6b93a746a4fb39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.928842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038189/publication.txt
observed cf529092eab38c8d22fb7470b3d2f73e...
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 archivePending 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 packagePending Custody packages are produced weekly.