OpenTechnical

OT-2026-000075274

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000075274) never changes.

Identity and time

Publication numberOT-2026-000075274 · never reused
Internal UUID01a0ae93-f200-77e2-8e27-42bba08e6adb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075274
StatusPUBLIC

Content hashes

Canonical text7ee40bc6b59c678c1e6cb72dcd1659db8fd137fa7e83edc480007f1690638811
Markdownde9db9516f38cc1fad4c961c9d3d098db03acc930e52d13d374b69fedd0d3698
PDF
Publication page7f584e71eaa66addc078ce1561aef1a9c3d5b48c2345e490c909bec725814c5b
Manifestcb389ec323e00c8d7378bd89a9660be812a987e0deef939515468d8eacc53976

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
SignatureDOyy5HHHG8TAqMSrgepgfZiMQaIAxqyEdunKZQ46kvsOYh22lSGyDVztDIdca6VO2wU9cNR6RvJgNr3R1FPkDA==
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

2026-09-17T10:20:40.633459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274
observed 7f584e71eaa66addc078ce1561aef1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.614815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274/manifest.json
observed cb389ec323e00c8d7378bd89a9660be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.596068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274/publication.md
observed de9db9516f38cc1fad4c961c9d3d098d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:40.576954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274/publication.txt
observed 7ee40bc6b59c678c1e6cb72dcd1659db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.248338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274
observed 7f584e71eaa66addc078ce1561aef1a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.229649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274/manifest.json
observed cb389ec323e00c8d7378bd89a9660be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.209863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274/publication.md
observed de9db9516f38cc1fad4c961c9d3d098d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:58.191402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075274/publication.txt
observed 7ee40bc6b59c678c1e6cb72dcd1659db...
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.