OpenTechnical

OT-2026-000019992

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000019992) never changes.

Identity and time

Publication numberOT-2026-000019992 · never reused
Internal UUID01a0ae6f-1fb7-76a1-be96-0131829e88fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019992
StatusPUBLIC

Content hashes

Canonical text424110c680c637c057ab0b3d1fa4098b95b25790909c8d80c7d0c6a907ea5f83
Markdowne16350bff3e4545fedcf46921493a1d45aa688314dc1d00de92d550531e1158a
PDF
Publication page50dddedd21329a9e13c4ea5e20958fc43b787c04814c6ae71a1c89375cb9bb46
Manifestef119442105858f92d7dba31f77e31e339befb3ba8ee8ec91fce31e2d6f7f78b

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
SignatureLjWG2lAlA70+0kDh7bHWrrZP/3GbY1Qgg+UdEaayct2y3x/mMdtpGXw7GqfPahnn0EHfMeIvUjrQkX/Tf7laDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:14.126271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019992
observed 50dddedd21329a9e13c4ea5e20958fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.106773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019992/manifest.json
observed ef119442105858f92d7dba31f77e31e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.088295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019992/publication.md
observed e16350bff3e4545fedcf46921493a1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.068466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019992/publication.txt
observed 424110c680c637c057ab0b3d1fa4098b...
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.