OpenTechnical

OT-2026-000092329

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000092329) never changes.

Identity and time

Publication numberOT-2026-000092329 · never reused
Internal UUID01a0ae9d-875b-75bf-a81b-2dd483b11903 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092329
StatusPUBLIC

Content hashes

Canonical textcb1992f3172a83c2b00234d7881a9198a1145b835836384f9da16defcdf56630
Markdown71123e9907ed41437f2a882d7eda8a749ca59b9600646660482e652603c88d08
PDF
Publication page4304846e20978848da1cf06f198e822e5ba5edad7847de799772f00564a49e92
Manifest84ef7d6fc4bbe9f0f16a5d2b2ff854454a3656f84354480d084b914733450994

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
SignatureA8VlEmjR89AzD2dEFdsxQkdXeKOONpV3JDVxGlL4ZL31wfUittAHMXuH7mdVhPzBlHy4P73oA1acNcwOX0AuAA==
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

2026-09-17T09:41:52.500671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092329
observed 4304846e20978848da1cf06f198e822e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.480611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092329/manifest.json
observed 84ef7d6fc4bbe9f0f16a5d2b2ff85445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.463430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092329/publication.md
observed 71123e9907ed41437f2a882d7eda8a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.445418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092329/publication.txt
observed cb1992f3172a83c2b00234d7881a9198...
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.