OpenTechnical

OT-2026-000097223

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000097223) never changes.

Identity and time

Publication numberOT-2026-000097223 · never reused
Internal UUID01a0aea1-01ca-769d-96f2-b7e50770f8b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097223
StatusPUBLIC

Content hashes

Canonical text6990f5520b3fb265fa545d33ed6b3c23434c9cc432d8e7d138551d8ef57d8bbc
Markdown91c2a2e4c3641ce4ec336505d7fdb414cefd8fa59ea301ce74fbaf45b2f5c280
PDF
Publication page8875e16272f411b9058e95198aebf3c57ac30757052f22de681ea4766f05693f
Manifest3b0eb7d48d1779266556d3e1c5685291145be30459892ed7e3d39900a95af15d

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
SignatureNGZnBeIdqArLdRqEmhWdVtqmXnryNRdIeLkQB1mZfYMlkJ29VpXvq5Z/pEAmwf1QzC5dBO6VN/fNghxCMY2OAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:28.163560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097223
observed 8875e16272f411b9058e95198aebf3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.146752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097223/manifest.json
observed 3b0eb7d48d1779266556d3e1c5685291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.129406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097223/publication.md
observed 91c2a2e4c3641ce4ec336505d7fdb414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.112568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097223/publication.txt
observed 6990f5520b3fb265fa545d33ed6b3c23...
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.