OpenTechnical

OT-2026-000097752

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000097752) never changes.

Identity and time

Publication numberOT-2026-000097752 · never reused
Internal UUID01a0aea1-92f5-77aa-b5c1-c9fb52fc323b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097752
StatusPUBLIC

Content hashes

Canonical texte42f5d43a3e7c392afdd3d8c22822050c61f7e6715df8b25db7bef1dd2b60e3e
Markdown05d8e0b5f1575f83f9f4ed81a36dd64bcaba373d35fd7a03af9fa5ee00a916f6
PDF
Publication page902c80534959e1498fa6f50be9319c7abe2529be888be68a39f58777e204a67f
Manifestbbd999c83d90140e6fcebc67f2f195a8b74b2404cca1c8413092cb6ae2e0acfc

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
SignaturedOSUToeJDwfi/7R1vqVoyabrzdRLRGnH7RPsu67mO+EYZuH2Xmo9sTZCrOjux1vhZi4d0F1tNvOZllpcgY1GDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:48.802817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097752
observed 902c80534959e1498fa6f50be9319c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.773842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097752/manifest.json
observed bbd999c83d90140e6fcebc67f2f195a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.746915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097752/publication.md
observed 05d8e0b5f1575f83f9f4ed81a36dd64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.708726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097752/publication.txt
observed e42f5d43a3e7c392afdd3d8c22822050...
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.