OpenTechnical

OT-2026-000019298

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000019298) never changes.

Identity and time

Publication numberOT-2026-000019298 · never reused
Internal UUID01a0ae6e-f392-70bc-b5c9-591a46e212ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019298
StatusPUBLIC

Content hashes

Canonical text2e451769bedf67563920a03c71f673ed21e45e209fb980e69d21616592e86e06
Markdowndd4624758b413167497c6bc4955115124af1fd2f423b2a4917143750316c54e5
PDF
Publication page8c73bf820fdcb926539c7d3a82181cadd8bbc74adf487a3deb4fd0edf27f20fa
Manifest03b16af4f93e042094a57ff850a64b41a6d686c59fcd40965977e80b84476b40

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
SignatureXYlg5qfflD1bK5exwxjNfBjdo+1uybGSebPUEsGjZqiCcPFY3+Xb3gdG/qHHpm+zyMSqZfFGH16HsJ0JaaORCA==
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

2026-09-17T11:58:39.324121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019298
observed 8c73bf820fdcb926539c7d3a82181cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.303254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019298/manifest.json
observed 03b16af4f93e042094a57ff850a64b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.284313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019298/publication.md
observed dd4624758b413167497c6bc495511512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.265166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019298/publication.txt
observed 2e451769bedf67563920a03c71f673ed...
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.