OpenTechnical

OT-2026-000013671

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000013671) never changes.

Identity and time

Publication numberOT-2026-000013671 · never reused
Internal UUID01a0ae6d-8de8-7791-9fdf-6343220b9306 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013671
StatusPUBLIC

Content hashes

Canonical text8f73e43eebce93bc1ba8d33deb706e1dac627ee60393e449cf95ec9e523ae1a3
Markdownee25c794a353adec72ded8e342dbd70ef7f344e80b9b842b89d2cdb073488ad3
PDF
Publication pageacc5b76025172c963f90989ef339e2dae61c052e588cd563807c577b2f7075e8
Manifestac9730e6556f45a13b8b67308271d560e2fc317c08dcf26488262edbe686fe69

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
SignatureySgiSoRIlzw2vKnMtvfy7sC8c5YQV3xac91Hg8vOh7QoaWe0WhNoCFJqql7GJamhzgyHa9oL8PnA00eCvyfaAQ==
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

2026-09-17T12:08:36.982001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013671
observed acc5b76025172c963f90989ef339e2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.959956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013671/manifest.json
observed ac9730e6556f45a13b8b67308271d560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.941656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013671/publication.md
observed ee25c794a353adec72ded8e342dbd70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.921561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013671/publication.txt
observed 8f73e43eebce93bc1ba8d33deb706e1d...
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.