OpenTechnical

OT-2026-000068525

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000068525) never changes.

Identity and time

Publication numberOT-2026-000068525 · never reused
Internal UUID01a0ae90-2482-7896-a5e9-6108d762c0ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068525
StatusPUBLIC

Content hashes

Canonical textf7b7eac21c1f03fa7ec90e35dd200fec8ad2b7adf9f93896b901c934cabc5683
Markdown98be73263f1ef1f17e5dbc041252bce596af859447429eb046b5a2c1d8d5952b
PDF
Publication page79ba5baf3e2ed7dd5c634ce36dacb19ab166d8e986ae65b1a23fd19bb0b4ad73
Manifestf0461a2bf368c37882887c7ec47c3663e69822cf4ae1bdfcd3881599fcb052f8

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
SignatureCCsjtW5dMu2kVKIQ4GXSvuiX2f0NI9JcrbZqCYrgvx6xqqXy43VuRBbWcbtAeRYQyvVysjhUoZBM/bn6eZJ/Cw==
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

2026-09-17T10:29:41.155779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068525
observed 79ba5baf3e2ed7dd5c634ce36dacb19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.137578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068525/manifest.json
observed f0461a2bf368c37882887c7ec47c3663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.119636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068525/publication.md
observed 98be73263f1ef1f17e5dbc041252bce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.101848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068525/publication.txt
observed f7b7eac21c1f03fa7ec90e35dd200fec...
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.