OpenTechnical

OT-2026-000074482

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000074482) never changes.

Identity and time

Publication numberOT-2026-000074482 · never reused
Internal UUID01a0ae93-717a-750a-ae9f-b874ddbca269 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074482
StatusPUBLIC

Content hashes

Canonical textb4be460261c24306d597ca6bdc6dab9e3bff9a7c1e89684814d4340aa1264873
Markdownbf902035c9a74fbf2b6ca1fd47599153d8372f94d4cb0efdbf41a13b0d3ba3a4
PDF
Publication pagebe1191aa5c3918289a4421a3a78f80f3b278d0b4795e551b97dee3e105a4b90c
Manifesteedc03b84ae3b61dc9793ffc1937e912155f538fef82304b9172977cd5c82c37

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
SignatureVrw0BXoClJJUV9Z5emzG5fFr8gErfWyDDhrXQthTL0TFPoJtT37W/yocyGe/H5tYsnbnwRtfgn5h45J7er7PBg==
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

2026-09-17T10:19:26.823007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074482
observed be1191aa5c3918289a4421a3a78f80f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.804796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074482/manifest.json
observed eedc03b84ae3b61dc9793ffc1937e912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.785355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074482/publication.md
observed bf902035c9a74fbf2b6ca1fd47599153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.765245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074482/publication.txt
observed b4be460261c24306d597ca6bdc6dab9e...
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.