OpenTechnical

OT-2026-000069420

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-2026-000069420) never changes.

Identity and time

Publication numberOT-2026-000069420 · never reused
Internal UUID01a0ae90-b52a-7876-88e0-406fa1b31687 · 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-2026-000069420
StatusPUBLIC

Content hashes

Canonical texta9fb062793f16f4e05dd023e2b953e178269006b99e903c60eb98bc54d170a78
Markdown70b951b83dd85f7511cd764590cf99a99ae4867e107c32e3424acfcafb113edc
PDF
Publication pagebe1b9cdeaa956135b6eb075e0f12343fe91c05c613ee5714da3ff4186ae85a19
Manifest46334c12371bc6ef7e0dad2a0830e8040950fdbff6bb91187c631e98518d25bb

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
SignaturegHCPeQ70ISZx9UrQklRMPMsDDBaWNb0LN+mCI0YUoAM3x04gNkJ3y5fZYZVePbGhE7kWNDUdd/wLYF44iES3AA==
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

2026-09-17T10:30:21.450116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420
observed be1b9cdeaa956135b6eb075e0f12343f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.432112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420/manifest.json
observed 46334c12371bc6ef7e0dad2a0830e804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.414076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420/publication.md
observed 70b951b83dd85f7511cd764590cf99a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:21.395842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420/publication.txt
observed a9fb062793f16f4e05dd023e2b953e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.607029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420
observed be1b9cdeaa956135b6eb075e0f12343f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.589573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420/manifest.json
observed 46334c12371bc6ef7e0dad2a0830e804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.571679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420/publication.md
observed 70b951b83dd85f7511cd764590cf99a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.551924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069420/publication.txt
observed a9fb062793f16f4e05dd023e2b953e17...
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.