OpenTechnical

OT-2026-000033423

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000033423) never changes.

Identity and time

Publication numberOT-2026-000033423 · never reused
Internal UUID01a0ae75-8980-7b62-8ee3-6d5a9374d922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033423
StatusPUBLIC

Content hashes

Canonical text1137293f8e94ceb7b5cff7c3a275e5474f4a7df5efdb4c3320adeebd3f73b626
Markdown76b9d16724a6d6c633182626cfa4ae70a1b6724860d8e5eb742b2401d5a5f205
PDF
Publication pagee77335bcebf960fcc2bf12e0641f8c69af1c4977e40b4ca09e83bcdeceeccbf1
Manifestefc4b16511989837fd9cfff48cb16f782e5480c6e5a67f1b42b5e69e889ba2f5

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
SignatureQM1THxuJQTdzMqWXbtz28TZmgIX4+MEFg7GOuigOiz7xxzxuf319kkv9qvTHxokUOzTlLN5pa4MAIwEu6+uhBg==
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

2026-09-17T11:32:12.554385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033423
observed e77335bcebf960fcc2bf12e0641f8c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.536428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033423/manifest.json
observed efc4b16511989837fd9cfff48cb16f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.520666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033423/publication.md
observed 76b9d16724a6d6c633182626cfa4ae70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.505794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033423/publication.txt
observed 1137293f8e94ceb7b5cff7c3a275e547...
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.