OpenTechnical

OT-2026-000066131

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000066131) never changes.

Identity and time

Publication numberOT-2026-000066131 · never reused
Internal UUID01a0ae8e-8dc3-78b1-8b63-f51d845f1233 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066131
StatusPUBLIC

Content hashes

Canonical textc69f37810fbb96fe27e9ae5f6da0007583af8b01702a984b65eb45dda8d2e660
Markdown8a12741a9885740ab73a6b43096038a0bdd87470b7516bcae1bf04659c82ff65
PDF
Publication pagec7afdb024947fc32f372efdb700775d45c3c4a29ad3fbc853441a6d00d211979
Manifest77bf957cc716fcf393543ddecd8b2ac852fe2aa26ff60f51c4d765a58baac26d

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
Signature9z9IyEpAGB6RQ0mj8y1KdKwkgZiM8ech0gwbTnG67F5RhCQ4Uyi+HJIOwcIUzPT3NAyXXc2djYMhEdHTP4BPCw==
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

2026-09-17T08:51:01.256875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066131
observed c7afdb024947fc32f372efdb700775d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:01.237992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066131/manifest.json
observed 77bf957cc716fcf393543ddecd8b2ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:01.005278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066131/publication.md
observed 8a12741a9885740ab73a6b43096038a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:51:00.985701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066131/publication.txt
observed c69f37810fbb96fe27e9ae5f6da00075...
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.