OpenTechnical

OT-2026-000072291

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000072291) never changes.

Identity and time

Publication numberOT-2026-000072291 · never reused
Internal UUID01a0ae92-47c3-7328-bbbd-49dcbdfb33ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072291
StatusPUBLIC

Content hashes

Canonical text596b8d0696f90a265c0124960125abde744e788f87a673918d31b220634f1152
Markdownf6fe38e05889d4e9465fd59818429b606bd1234845da3a6444670d4b1ebbf1a3
PDF
Publication page229a677ce941b089f634de118f1fb46428d46f1cad8e933d76ce2f0bb855365c
Manifest25e60f5874d161da02f9db19f863e9de4f4883cb2186af97daa5e33e2642ed1a

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
Signature6tfR5EE/EPmcuIwaahYUv8HMm2Kwds+6dbPAq6slDQCGhzZgID0Jujm/CI2tagw/JD24oCLKH31GFy6BA1liBg==
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

2026-09-17T10:23:24.484439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072291
observed 229a677ce941b089f634de118f1fb464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.467737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072291/manifest.json
observed 25e60f5874d161da02f9db19f863e9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.451226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072291/publication.md
observed f6fe38e05889d4e9465fd59818429b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:24.435059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072291/publication.txt
observed 596b8d0696f90a265c0124960125abde...
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.