OpenTechnical

OT-2026-000097003

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000097003) never changes.

Identity and time

Publication numberOT-2026-000097003 · never reused
Internal UUID01a0aea1-01c8-70e1-8a57-4edde037449d · 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-2026-000097003
StatusPUBLIC

Content hashes

Canonical text5cc9f7ded42525af178a72d45dbc13e0f3232da62ebd30e6c441278ba796e71c
Markdown9a4388f2426d87f4534cd268766e29e570e621de3a94f0ce4e0d2e0a50b87760
PDF
Publication page22f60cb8b23a476df0eb588bec970e948228599b198f9c425a373fadb6f7042c
Manifest7063bf944bd95e6684ffcba8789b9e44931babd318c7d521a7acd547e18e09fd

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
SignaturewDqhk9v3pRb7KF2cUHKWzNsQ6/rKekm5phrzlL4wmtYn953XuATPRtiNqf3T7lcIumeMg7wEqGubnTiq+m1JAg==
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

2026-09-17T09:10:27.911135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097003
observed 22f60cb8b23a476df0eb588bec970e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.894814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097003/manifest.json
observed 7063bf944bd95e6684ffcba8789b9e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.878207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097003/publication.md
observed 9a4388f2426d87f4534cd268766e29e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.860521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097003/publication.txt
observed 5cc9f7ded42525af178a72d45dbc13e0...
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.