OpenTechnical

OT-2026-000075537

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000075537) never changes.

Identity and time

Publication numberOT-2026-000075537 · never reused
Internal UUID01a0ae93-f202-71a1-b7ae-5af9b5818dd1 · 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-2026-000075537
StatusPUBLIC

Content hashes

Canonical textd3d2f59776f3ca8eda857539bebc1e6538dc4bfa3c63d51551e9e9de3590f68e
Markdownf179377bbd9679d6890b65fd4698ab0b32a6d99cf00abd6037d496b546e335e0
PDF
Publication page3c68b2c46e4a725ef116660ce178be723bc39648ad6636f49d8145e873b63cb4
Manifest2e13fefba98de2f9eb9ff6491119dfc226614e04f9d3cbd9e6c3e57c33daa52e

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
Signature3lOXFeK8u3tzGxgcCSbI+nYpji24trQYzr67VDWgmzqFLPFbW15pUe4oU3EI1J1GPvx6FRAw/XFpsBO4AGihCg==
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

2026-09-17T10:18:02.447271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075537
observed 3c68b2c46e4a725ef116660ce178be72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.301485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075537/manifest.json
observed 2e13fefba98de2f9eb9ff6491119dfc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.282690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075537/publication.md
observed f179377bbd9679d6890b65fd4698ab0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:02.261868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075537/publication.txt
observed d3d2f59776f3ca8eda857539bebc1e65...
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.