OpenTechnical

OT-2026-000045381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045381) never changes.

Identity and time

Publication numberOT-2026-000045381 · never reused
Internal UUID01a0ae7c-f76b-7ed8-a54a-341d0a0ad315 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045381
StatusPUBLIC

Content hashes

Canonical textd24c0d678135b3763e3a313bf725cfb3cf0359103e3fabd745921dd311f60b89
Markdown81a6b5fde943d276c561986ec7607ab8755dd0fbc893d69db6e1c46c742b6d54
PDF
Publication page558d681ea796b594ce43491093d6dc01cbca0c0af28f881c17d9e9525e419e17
Manifestbf3611723194caee3ad3d6c12dfaf136f12cb2bc713b3b8be0b8ead56de6ca84

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
SignaturesUo8bTPOfMpZXegghO2mrMXwqWFJs6hN2OnP/m/Cec8ASauk6ZfuyruL/wXjNCJ26YEyWgOh25J24kVXmousCA==
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

2026-09-17T11:10:39.626685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045381
observed 558d681ea796b594ce43491093d6dc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.608130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045381/manifest.json
observed bf3611723194caee3ad3d6c12dfaf136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.590020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045381/publication.md
observed 81a6b5fde943d276c561986ec7607ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:39.571592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045381/publication.txt
observed d24c0d678135b3763e3a313bf725cfb3...
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.