OpenTechnical

OT-2026-000097122

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097122) never changes.

Identity and time

Publication numberOT-2026-000097122 · never reused
Internal UUID01a0aea1-01c9-7812-9428-4fd7622cc0fa · 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-2026-000097122
StatusPUBLIC

Content hashes

Canonical text59e937f94b6ee578c7cc612942e2cc3e82414c1a9fed0e1ea88a1ff58496372f
Markdown33843dadc1fc353d1f6640ca4f0dccb341a0f8245300146ace602d250c910fa1
PDF
Publication pagefe864824eb00d5e8ffe084512de226169187b46f42bb11ef1fc1f015bec7041b
Manifest0d3ff89d6677f897683c84eba1ec9945a926e3f472c0e58e67979baf49fe6027

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
SignatureXt5hVK+i1NOXVZn2luny7+DltxGZlsaI7K0GQ5uOhv+CNQsB+5x4UceUMFaBQGnQZYgK3rUgVLv/3WA5az0nAg==
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

2026-09-17T09:10:52.603548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097122
observed fe864824eb00d5e8ffe084512de22616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.459055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097122/manifest.json
observed 0d3ff89d6677f897683c84eba1ec9945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.439210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097122/publication.md
observed 33843dadc1fc353d1f6640ca4f0dccb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:52.415662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097122/publication.txt
observed 59e937f94b6ee578c7cc612942e2cc3e...
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.