OpenTechnical

OT-2026-000016571

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000016571) never changes.

Identity and time

Publication numberOT-2026-000016571 · never reused
Internal UUID01a0ae6e-2d14-77ea-8f1d-c22f84fb4b9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016571
StatusPUBLIC

Content hashes

Canonical text62baa2d9ad8fe5af8fb4e74ed83946cfab99fe804d8879d9b87a297ea764ff59
Markdown541bb2ff50db3ca496f708bfda6eed387b479a24f5b58fb9fee8e159779a4c40
PDF
Publication page787a592f9dcee49eb4bbdd0eb0c0a31c8f0515f40f4ab452ec340618715ed788
Manifest0581d499eecb40c377d8bdaf334932e310ae9a6f13e85aab0e203161d6dfb197

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
SignatureCqwzc49lOGffd8AmwAzXzb+CIAZlGsvAnSaAENvbYRy/v+sb74KT0DFXCqNk5Qi8887VKnNXYAfcv2Fo+ALBCw==
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

2026-09-17T12:04:48.128523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016571
observed 787a592f9dcee49eb4bbdd0eb0c0a31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.112688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016571/manifest.json
observed 0581d499eecb40c377d8bdaf334932e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.096538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016571/publication.md
observed 541bb2ff50db3ca496f708bfda6eed38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.079473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016571/publication.txt
observed 62baa2d9ad8fe5af8fb4e74ed83946cf...
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.