OpenTechnical

OT-2026-000005222

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, ejector fed, vented 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-2026-000005222) never changes.

Identity and time

Publication numberOT-2026-000005222 · never reused
Internal UUID01a0a931-ce5d-72bd-bddf-50915e5592e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:50:08.739973Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005222
StatusPUBLIC

Content hashes

Canonical textc9a2c7f792a7770ecc19ce480bbc3bf15794ebf1051cc565eab0128eecd2460f
Markdownb899bc13c88a75d1a6f4e236d4db7f9d3e420615cd49f0a578fc5552fd198292
PDF
Publication page6e19db3bb285fbae1a4f1b72e94b881405dc7a13de90ede64c0e0941cf550632
Manifest813734072296eaa259a542b3fd023f962b682f6b1b4c089bf607ba49091d31ab

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
SignatureESPJpdJvNldi7hhnKahN9UsNuXeVnReONu01wNShBkMxkAulFsNeeaIhclp7LMd9Kp+w+kKOHUE4TwwjIm99CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:33.947936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005222
observed 6e19db3bb285fbae1a4f1b72e94b8814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:33.933752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005222/manifest.json
observed 813734072296eaa259a542b3fd023f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:33.920234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005222/publication.md
observed b899bc13c88a75d1a6f4e236d4db7f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:33.907358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005222/publication.txt
observed c9a2c7f792a7770ecc19ce480bbc3bf1...
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.