OpenTechnical

OT-2026-000019735

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000019735) never changes.

Identity and time

Publication numberOT-2026-000019735 · never reused
Internal UUID01a0ae6f-1fb4-73ad-ae4b-a6fcadaeb022 · 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-2026-000019735
StatusPUBLIC

Content hashes

Canonical textc74972c8ecc3ad3c814cc9e3e0d77862ce36fb23ab242af67db726d9d299b902
Markdown96d7d1e41f85d89470e791d5aede5854935bca30ac92e3e67906e1845be61278
PDF
Publication page3ee5d2c3283475246d23950c2478ab1080ae033ee7e7418af430724deb7248e1
Manifestcf18d63ac8116e96a34d09da0730610dfd6316540adf8551cb91cd3002b8c682

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
Signatureq6zTdvuajFnWQNajZTiVJ80dm7SigtoLq3MXQMj0v0XNPq98u7jTcPJqY9N4tlMpMhnsQC89aHVFR6DQC2UEBQ==
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

2026-09-17T11:57:49.582522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019735
observed 3ee5d2c3283475246d23950c2478ab10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.564042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019735/manifest.json
observed cf18d63ac8116e96a34d09da0730610d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.545080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019735/publication.md
observed 96d7d1e41f85d89470e791d5aede5854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.527521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019735/publication.txt
observed c74972c8ecc3ad3c814cc9e3e0d77862...
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.