OpenTechnical

OT-2026-000083807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000083807) never changes.

Identity and time

Publication numberOT-2026-000083807 · never reused
Internal UUID01a0ae98-0417-767e-92a7-fc54843981a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083807
StatusPUBLIC

Content hashes

Canonical text8ed49aff8e9c40f519830408fe2780d68464df6711ae8efd495981fd4a9584a8
Markdown179c1dfd8ac30ce4658f3b341d41d8e10763704ad2ced0a080b5accc45a885aa
PDF
Publication page668ac82e2ef925803998bccc1dcf6cf0bf2df89b5f11dda92d6979e25dc289ba
Manifest5ed9fdb13fb11b2be52f1e2963ec0c1276e60081266f82d42cf485e9206b7eb1

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
SignatureAQzTmO6zk0YRSz6fy9pHTpV41kOQWFxLdA46PnnnOamse7j82RIKHjaInejUEevv1HrxhFiCPtPQ9pt24Y2hAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:27.366878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083807
observed 668ac82e2ef925803998bccc1dcf6cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.349452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083807/manifest.json
observed 5ed9fdb13fb11b2be52f1e2963ec0c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.331483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083807/publication.md
observed 179c1dfd8ac30ce4658f3b341d41d8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.313668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083807/publication.txt
observed 8ed49aff8e9c40f519830408fe2780d6...
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.