OpenTechnical

OT-2026-000066359

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000066359) never changes.

Identity and time

Publication numberOT-2026-000066359 · never reused
Internal UUID01a0ae8e-8dc4-7943-88fc-7f6f7e8b1a3e · 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-2026-000066359
StatusPUBLIC

Content hashes

Canonical textbc54311c4e2ac6e3cbc825f097d37eb1aa3373c878fb0d60791b4d842451b047
Markdown7ed35587f213e52145864afca5d4620866f701c962c08e625388f880f3348f5c
PDF
Publication page9743a81150c8e990ff1847f5b0e06d1f7d536085c927b9666c134dafada922c6
Manifest3ccf3064cc4c02571ebd98ecd6e1d5fecffeda3ab9d22f518f2ea6371534f247

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
SignatureMiE3WDHAm7J8o/r275VA0L4qbqYpAkzyx4EaXhexCNoD+j/PTsP3vIgkGqSHxoEYo9ND1ltthAlIxBvbHZgDBw==
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

2026-09-17T10:33:33.344164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066359
observed 9743a81150c8e990ff1847f5b0e06d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.327479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066359/manifest.json
observed 3ccf3064cc4c02571ebd98ecd6e1d5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.308383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066359/publication.md
observed 7ed35587f213e52145864afca5d46208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.289896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066359/publication.txt
observed bc54311c4e2ac6e3cbc825f097d37eb1...
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.