OpenTechnical

OT-2026-000029733

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000029733) never changes.

Identity and time

Publication numberOT-2026-000029733 · never reused
Internal UUID01a0ae73-5e23-7985-af2c-84442c4d0b7a · 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-2026-000029733
StatusPUBLIC

Content hashes

Canonical text1d7639670e6cef7c8a24bc845851108d0338b2ebf630797d70c54ca549d4c151
Markdown748a0c98437c69f6f130efbe67a5dd7fa032d5325f0da68cad6080e2567fbd6a
PDF
Publication page764455adcf8ef64b5db64a560f334d485762f55abb576bad60359934cd5a9a0a
Manifestea99de942b81392c5ea58d035ddca23a39a79f52019c15f412866eaf834e4e17

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
SignatureYYl/GPLvKO0KoNMsZ25L6PbrhuGlcFA5YTynsRb3pv5nAXJ97FXVFPA+l0yMiOFK6ATP9huh5AVBRh9sGMDqAA==
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

2026-09-17T11:39:29.230546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029733
observed 764455adcf8ef64b5db64a560f334d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.211649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029733/manifest.json
observed ea99de942b81392c5ea58d035ddca23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.191557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029733/publication.md
observed 748a0c98437c69f6f130efbe67a5dd7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:29.172823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029733/publication.txt
observed 1d7639670e6cef7c8a24bc845851108d...
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.