OpenTechnical

OT-2026-000005739

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, pressure verified at each zone, contact triggered

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-2026-000005739) never changes.

Identity and time

Publication numberOT-2026-000005739 · never reused
Internal UUID01a0a943-3461-7412-a80e-a3bf8f7c0c62 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:08.964319Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005739
StatusPUBLIC

Content hashes

Canonical text9577e4badc5b1491de8f1d3dda22b1fd8753729e10b3284bd8a48d213e165063
Markdownec9eeb68e8491722d2c8ee5a3527259d3d21d74fe7192ce830c6737c8c45a71a
PDF
Publication page40f7767b733ae255a8833f0a4bad68f9373a52672d725c5ab69f62e26ba54cfb
Manifest36495309ac228efa322172026817f648095453368763dc9c37c3606b43cdcba5

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
SignaturemeHZbu0a+T7VZLiSrw4MI+aHia0YxPn0tjO3rUsHJvE/DtGsYpqyXLWECzACz2lwTjbrL6jCLVo0/QkbHeJ5Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:05.454088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005739
observed 40f7767b733ae255a8833f0a4bad68f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.436942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005739/manifest.json
observed 36495309ac228efa322172026817f648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.420167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005739/publication.md
observed ec9eeb68e8491722d2c8ee5a3527259d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.406273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005739/publication.txt
observed 9577e4badc5b1491de8f1d3dda22b1fd...
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.