OpenTechnical

OT-2026-000069434

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, on a tool changer

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-2026-000069434) never changes.

Identity and time

Publication numberOT-2026-000069434 · never reused
Internal UUID01a0ae90-b52a-7556-acb6-7a299362b1dd · 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-2026-000069434
StatusPUBLIC

Content hashes

Canonical textff4a9f9f433fb59aa94f5fed6c0efbc3d635146f4c874a3067a7abc054db484d
Markdownd719fdc7134b8f32f3b20a88871b50cf6205a2e617c7fe015a5ea459423dd032
PDF
Publication page95b65e7c922eef25c5215d826afccfae0662b6c1ba9389adfe17e2b12dcf8c16
Manifesta85a0aeda2b3e5d87f2c4a779b78dfde95559e24551bfd2eb47b03a14a109fc2

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
SignaturezlntCKa10JuYntTJoyAH0diEmomRPcHgo68VD8J09KSYbgPkP7ZZwntNL323wECp5mGk3KhBzgGrOQHoMCT5DA==
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

2026-09-17T10:30:29.835192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434
observed 95b65e7c922eef25c5215d826afccfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:29.808674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434/manifest.json
observed a85a0aeda2b3e5d87f2c4a779b78dfde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:29.772704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434/publication.md
observed d719fdc7134b8f32f3b20a88871b50cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:29.748025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434/publication.txt
observed ff4a9f9f433fb59aa94f5fed6c0efbc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.929099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434
observed 95b65e7c922eef25c5215d826afccfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.909872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434/manifest.json
observed a85a0aeda2b3e5d87f2c4a779b78dfde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.891704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434/publication.md
observed d719fdc7134b8f32f3b20a88871b50cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.874127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069434/publication.txt
observed ff4a9f9f433fb59aa94f5fed6c0efbc3...
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.