OpenTechnical

OT-2026-000069426

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000069426) never changes.

Identity and time

Publication numberOT-2026-000069426 · never reused
Internal UUID01a0ae90-b52a-7e5b-87b6-731e077d7560 · 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-2026-000069426
StatusPUBLIC

Content hashes

Canonical text3929e403093de7f25805903f7461bfd80a18f728e573a47710dc65fe48707e41
Markdowna4f184d31643c7a42df1736ad581f86255af65b295a913f6bb8af3be1c32ea53
PDF
Publication pagef192fcb9e90f6eb633efd7c590400a7f2e0c9d62ed350fca19b55c95c1737455
Manifestb28e82f7da2befe5c1cbdb131684fa441e27c3e9a015f8dc2977f1bda16f20c8

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
SignatureUFAFcTKbfBV5oEeoZXy+/drJSvRYt1jclqC0fEpX9gQTnkaP2cEZgGEZdGu0zI5MBVI3TCDDKjiOC7691jd5Bw==
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

2026-09-17T10:30:21.987062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426
observed f192fcb9e90f6eb633efd7c590400a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.968611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426/manifest.json
observed b28e82f7da2befe5c1cbdb131684fa44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.948899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426/publication.md
observed a4f184d31643c7a42df1736ad581f862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.933250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426/publication.txt
observed 3929e403093de7f25805903f7461bfd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.128117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426
observed f192fcb9e90f6eb633efd7c590400a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.109920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426/manifest.json
observed b28e82f7da2befe5c1cbdb131684fa44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.094100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426/publication.md
observed a4f184d31643c7a42df1736ad581f862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.075879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069426/publication.txt
observed 3929e403093de7f25805903f7461bfd8...
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.