OpenTechnical

OT-2026-000069612

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000069612) never changes.

Identity and time

Publication numberOT-2026-000069612 · never reused
Internal UUID01a0ae90-b52c-7cb1-a638-8d95f15d7965 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069612
StatusPUBLIC

Content hashes

Canonical textcfed7ea92cb44a5a240f063cb0d879fbdaef41d519e29f923731f09d50e9e920
Markdownc47ae845920df6db25ea313f3ac1029c254f67637bbad6fef5b68996252497c9
PDF
Publication page9abe090d16227793502ca1bf50a06dfe8c9d1bacb7796e9dc2e63a62ef7ebfbb
Manifest7b3971febc808895670d09bbe65ed93f82f25df67a982856548ba999d9538b17

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
SignatureEP6SolyOF/YuGm6+rcQ/X4rf+00yAdGbLjgyO4JLkqIJaXv5AQFlihDzdIVxMG14Xlfww0H2dXCqW/AVzPFYCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:16.446324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069612
observed 9abe090d16227793502ca1bf50a06dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.428865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069612/manifest.json
observed 7b3971febc808895670d09bbe65ed93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.413098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069612/publication.md
observed c47ae845920df6db25ea313f3ac1029c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.395997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069612/publication.txt
observed cfed7ea92cb44a5a240f063cb0d879fb...
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.