OpenTechnical

OT-2026-000067403

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000067403) never changes.

Identity and time

Publication numberOT-2026-000067403 · never reused
Internal UUID01a0ae8f-6bd8-769e-bbe4-4baee9c2f4b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067403
StatusPUBLIC

Content hashes

Canonical text7460483d7910844108c2e3a67e3542c31cf8868dd7725c28358dbd10986e21cf
Markdown967ebd883c5070b35880d06d11d5b2d8000ea5a1de3d929501f854489132ed7b
PDF
Publication pagee80e5b35e5586504b0f4a02b6ddbcac2c1b2f19957b2c03634842717f2ba5e5a
Manifestd0b9cc1ade7ff6b5d75b524138c5efc6fb564013c4ae3fea8e872ff504fd6af5

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
SignatureCoER5AEx07ew1hdjh5EXMmXuW3GgKUdw5+hougeTsOYTX+KgRepbLHLsEnvhQ0rG5LkQvzgTCvPSPzJyv7cgCA==
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

2026-09-17T10:31:35.824529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067403
observed e80e5b35e5586504b0f4a02b6ddbcac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.807648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067403/manifest.json
observed d0b9cc1ade7ff6b5d75b524138c5efc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.791509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067403/publication.md
observed 967ebd883c5070b35880d06d11d5b2d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.773789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067403/publication.txt
observed 7460483d7910844108c2e3a67e3542c3...
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.