OpenTechnical

OT-2026-000097297

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000097297) never changes.

Identity and time

Publication numberOT-2026-000097297 · never reused
Internal UUID01a0aea1-01ca-7ec2-8df1-adf83508d169 · 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-2026-000097297
StatusPUBLIC

Content hashes

Canonical text79fa8dd0594ab3cc47409807ad6688950259c2a5be637f28c2170aeaee868e8f
Markdown288de0b75cf4f2912b0fd563118109fb789e8effd71eb8efd109231ae3c6296f
PDF
Publication page96dfe129a4a6adcba3114c2f9f382b7e73d028571b39d46fcc9f26c9d8f6ef86
Manifestc850a937275ea5fe1998e9eb8cb86d3a411320e014d59a3144870e958849e297

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
Signaturen+oZCaSi5INeNKPsBrzuWghDseF7hnBFzxcZeHD8xmUzd2DMLCIX2qEMKyAq4H8U7fI+z98Hd3vcVNNKF3daDQ==
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

2026-09-17T09:33:28.248442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097297
observed 96dfe129a4a6adcba3114c2f9f382b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.223352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097297/manifest.json
observed c850a937275ea5fe1998e9eb8cb86d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.207073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097297/publication.md
observed 288de0b75cf4f2912b0fd563118109fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.181087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097297/publication.txt
observed 79fa8dd0594ab3cc47409807ad668895...
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.