OpenTechnical

OT-2026-000093081

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000093081) never changes.

Identity and time

Publication numberOT-2026-000093081 · never reused
Internal UUID01a0ae9e-0910-730a-b9b4-a0e6a62dcd12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093081
StatusPUBLIC

Content hashes

Canonical textb5735a8d562ea0d697670845fcaf9a9707162d7b22b26d1100040711fd5d9c7f
Markdown169637754959afea3597e60c59d6a639a0b6db47f1871b0801227c2bf7e83017
PDF
Publication pageb4109a2472470aa5f7b21e61979c04df69cf8b7f68ef7355a4f9191c204aa89f
Manifest1edaa4484a98b5066d929d690eb1a614124d3312db95d709cc21c361ed58fb59

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
Signature8jm+Od6j/iHhQpnHpfLpCh7Dsc1pWGaQwVqLUIo5QhxSLgRjk/wXla/NnsKXpQcDLuy0qw4hbhClhNdMgL0AAQ==
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

2026-09-17T09:40:20.002594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093081
observed b4109a2472470aa5f7b21e61979c04df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:19.985719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093081/manifest.json
observed 1edaa4484a98b5066d929d690eb1a614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:19.968709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093081/publication.md
observed 169637754959afea3597e60c59d6a639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:19.951102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093081/publication.txt
observed b5735a8d562ea0d697670845fcaf9a97...
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.