OpenTechnical

OT-2026-000016396

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000016396) never changes.

Identity and time

Publication numberOT-2026-000016396 · never reused
Internal UUID01a0ae6e-2d12-7fd0-b412-c5886210788e · 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-2026-000016396
StatusPUBLIC

Content hashes

Canonical textf9d24a076f0cd3cfd0afa2e9aad1d8978109a021ff2201499a71ec1a29465983
Markdowne1167f997d869a8f8ec61355a9ec09919116cc8dfe0343ca161ae979738530a2
PDF
Publication page911975ea8704bbb676ba0f58a5776227ac7871dde9dbd6ae9d1ccc1f48fe122e
Manifest0d38d0d882586dced5570c2d1f340f3ee1af42a0ffca48ebb573bd9289960b92

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
SignatureOscIAxnXOBBNOYWVnMl6VdVgZ77oTfksqJqqHi3nKJAd3JXd2MiSs0oxaMzG3wwAguHhdOQURr1wHbWUZCmrAA==
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

2026-09-17T12:04:28.750155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016396
observed 911975ea8704bbb676ba0f58a5776227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.730706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016396/manifest.json
observed 0d38d0d882586dced5570c2d1f340f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.711456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016396/publication.md
observed e1167f997d869a8f8ec61355a9ec0991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:28.693651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016396/publication.txt
observed f9d24a076f0cd3cfd0afa2e9aad1d897...
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.