OpenTechnical

OT-2026-000035859

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000035859) never changes.

Identity and time

Publication numberOT-2026-000035859 · never reused
Internal UUID01a0ae76-b4c9-7977-891f-7460dc72bdff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035859
StatusPUBLIC

Content hashes

Canonical text68b0f1437306e1050c6c30e27d02bcbbbb7b2433d201247ae901e7105f16ce01
Markdown19f216f8eb7ac3a932160da5ba55679eccd313d8d26d5c9e7dce463a09014d6f
PDF
Publication page849c6bf6a4ac625caa2854f269e8aa9da4d036f3673498bbe75ebdb261864a1b
Manifest9baaf487f287a6eeb47110e6af1f57f0f807785244d508ea78076726c47ee08b

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
SignatureSBbneonCWntLwusElznClChcCn4ybUJCXc71JAyPVaJn3+Z6woaoC1P7aFe/zBXHqnbSV1izv+vIvJ7qmh9rBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:35.699215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035859
observed 849c6bf6a4ac625caa2854f269e8aa9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:35.683115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035859/manifest.json
observed 9baaf487f287a6eeb47110e6af1f57f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:35.666160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035859/publication.md
observed 19f216f8eb7ac3a932160da5ba55679e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:35.647364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035859/publication.txt
observed 68b0f1437306e1050c6c30e27d02bcbb...
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.