OpenTechnical

OT-2026-000066575

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000066575) never changes.

Identity and time

Publication numberOT-2026-000066575 · never reused
Internal UUID01a0ae8e-ce41-76b8-bc70-0ee6faaa785f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066575
StatusPUBLIC

Content hashes

Canonical text384548073cac4acc1bfd0798b27e3ba5b61e565d9923214feb4c7fc870f27ea8
Markdown2b30a310fc9a0bdeb57b580482293d6fd6d3abfef5ff013b44c7c3d03f2d2fe7
PDF
Publication page245eacbea77abe2737a39bbff1e47040a51aed2d2aef67b2bf4d778e60c18f9b
Manifest1b2d445eddfe5a59fd26e85def16593127c61718bb435536a4f0b5988b3e44f0

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
SignaturepuAnyLCUGO+yjIIdNqxPNSc6UzhizAd5b0Wh3Nyjm0e28Dw4lACOvABJplHpUoSUO1BWZM8A/4C59YqVs1saCg==
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

2026-09-17T10:32:50.924956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066575
observed 245eacbea77abe2737a39bbff1e47040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.906982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066575/manifest.json
observed 1b2d445eddfe5a59fd26e85def165931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.889638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066575/publication.md
observed 2b30a310fc9a0bdeb57b580482293d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.872122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066575/publication.txt
observed 384548073cac4acc1bfd0798b27e3ba5...
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.