OpenTechnical

OT-2026-000029769

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029769) never changes.

Identity and time

Publication numberOT-2026-000029769 · never reused
Internal UUID01a0ae73-5e24-7827-b915-5ae95d007b7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029769
StatusPUBLIC

Content hashes

Canonical textda85b1f55896828113ef13eb6959b1723f25618b7f72d0a76c0b6ed41114dacc
Markdown7ad12cf4ca0d4b3b1928cc6c1f7cb4981d2019a7b2d6ed069534b44d3371d857
PDF
Publication page4188819186640da2824dcef3a3fd709807a92033ec259ab51fd6aec95013daab
Manifest969c841ab03f4ca9195879fea8372b2a29d193c919398f503e0110a77a78665d

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
Signatureyw4mBoTvoWx6pdsFvR6JLaQ4j2+4XFIj/2JdlJMgb49h4/I2rrJFo7xtD8vtBa0Pik154K0/6Pi6ME+5z9NWDA==
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

2026-09-17T11:39:31.966409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029769
observed 4188819186640da2824dcef3a3fd7098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.949108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029769/manifest.json
observed 969c841ab03f4ca9195879fea8372b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.930827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029769/publication.md
observed 7ad12cf4ca0d4b3b1928cc6c1f7cb498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.913665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029769/publication.txt
observed da85b1f55896828113ef13eb6959b172...
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.