OpenTechnical

OT-2026-000015881

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000015881) never changes.

Identity and time

Publication numberOT-2026-000015881 · never reused
Internal UUID01a0ae6e-0c4c-7686-bff7-9b39aba805c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015881
StatusPUBLIC

Content hashes

Canonical textd3db8b2019e28b904e4e63a1fae104e6cf351469359e78f80ad63c7caf26c9e3
Markdowna29435b52e94ec2a02fdbd4e20636fe1de3d3a988b6d71b4e13d95a02f7dfd65
PDF
Publication pageaaa4198161263967a13f0a64e549932e8cbc3527d96d4f139dab4dac20d52d11
Manifesteaaaa07e48d91033011b650127f3db4f0379532585b9b239d9c3c3a11da67860

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
Signature15epfMqH9AUwacNZduKPMnFdammSvztiqRCFoS+uyoWKQgvpD8teXAI72q31Svz8DRxnm/6ftSOy4j8f9SdKBg==
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

2026-09-17T12:05:19.941690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015881
observed aaa4198161263967a13f0a64e549932e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.923164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015881/manifest.json
observed eaaaa07e48d91033011b650127f3db4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.905504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015881/publication.md
observed a29435b52e94ec2a02fdbd4e20636fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.886789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015881/publication.txt
observed d3db8b2019e28b904e4e63a1fae104e6...
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.