OpenTechnical

OT-2026-000044455

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000044455) never changes.

Identity and time

Publication numberOT-2026-000044455 · never reused
Internal UUID01a0ae7c-39d8-7604-bcf2-50a803244c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044455
StatusPUBLIC

Content hashes

Canonical text57ee24236eac8c5b26c70bbc45ecf0a004bbb315454adb2edd407020eccaa7f6
Markdown944670d2d75d832952125f3351419a328118fcf2880fd7a43c90fc57aa59f1c3
PDF
Publication page24f17c735edb854c1ad83c96481fb44137b7b40276562f9e224578ee37d1acff
Manifest4148575cb7e77ef77b7479744c252572097914715d296807b14a908d5d79fd5f

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
Signature2ORX2zqnTdnMsermrsfd1ETvF+GhMBDzjQbdVZrC1voh0PH7gRiHVl+ZXkjU3AIFzh5LH3M7bY1sLj2lnPraBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:49.543309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044455
observed 24f17c735edb854c1ad83c96481fb441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:49.523996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044455/manifest.json
observed 4148575cb7e77ef77b7479744c252572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:49.504940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044455/publication.md
observed 944670d2d75d832952125f3351419a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:49.483720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044455/publication.txt
observed 57ee24236eac8c5b26c70bbc45ecf0a0...
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.