OpenTechnical

OT-2026-000075007

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold 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-2026-000075007) never changes.

Identity and time

Publication numberOT-2026-000075007 · never reused
Internal UUID01a0ae93-ac2d-7eee-a68b-7694762055ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075007
StatusPUBLIC

Content hashes

Canonical text4d1ddee57b531f76ca7ce32118597fad6aeab035b466e6e869c0969d18507e95
Markdownadc5db2fd4c0aad366c714c4bd00047a9cd19f927be960d618ebb2b8629d6287
PDF
Publication page0bf555c56586f43f05bb78242eebdb8f499d6a9508a21fb190d4bdceeec12612
Manifesteb2f2483858f55aee56130c3974eec0f68e0b180ef75249041e361a4d6887547

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
SignatureIDU7bycToLQpm3ycLGU0ASiQoLsFWvzsM3rCbaR3VFQ1IcnsrcPWXzVBwtTSnMjqXHeLPlHo8rMrSCwXi92XDg==
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

2026-09-17T10:18:49.037484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075007
observed 0bf555c56586f43f05bb78242eebdb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.019900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075007/manifest.json
observed eb2f2483858f55aee56130c3974eec0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.001515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075007/publication.md
observed adc5db2fd4c0aad366c714c4bd00047a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.984626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075007/publication.txt
observed 4d1ddee57b531f76ca7ce32118597fad...
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.