OpenTechnical

OT-2026-000100700

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100700) never changes.

Identity and time

Publication numberOT-2026-000100700 · never reused
Internal UUID01a0aea3-66f3-77b0-be62-1ddc93e5ca3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100700
StatusPUBLIC

Content hashes

Canonical textcb1f36609d527f23269c64532ce467fd34f2b1a3f23ef181fd20414c47019785
Markdowne4ba92afb765a8f51086f5def2de9ca9fdf8dcf01454dafff2239a0b74f1c205
PDF
Publication page5a79e1ea7573da37946e8099e60883b608b6a8c4a9bf5699c575e41e8296a89c
Manifestd7ddae2e0f1cb29508e302f105167f2448ae76cb1e4c5e8f4e50a40a3f8f8743

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
SignatureqcuqCfrohbZSBq2WS4kckLsjc5WYi/eXxDy7P4C9bL1ssFXtdYu74lUj3cKmfBiQQv6KDwzCY5k5k1E6I1vdCQ==
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

2026-09-17T09:27:31.149869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100700
observed 5a79e1ea7573da37946e8099e60883b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.132004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100700/manifest.json
observed d7ddae2e0f1cb29508e302f105167f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.113920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100700/publication.md
observed e4ba92afb765a8f51086f5def2de9ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.096448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100700/publication.txt
observed cb1f36609d527f23269c64532ce467fd...
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.