OpenTechnical

OT-2026-000075942

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075942) never changes.

Identity and time

Publication numberOT-2026-000075942 · never reused
Internal UUID01a0ae94-2a00-7a0f-902d-9d5c5c3c686b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075942
StatusPUBLIC

Content hashes

Canonical textcdf2dfeb16282d8e25c5cdad220d94767b86d6daf478390f275ea5bdb3cbf0c6
Markdown7fdfe138485f8a8215f9c4bebf6b8be77c0795c03eb1bf5a162588777379bd55
PDF
Publication page92a2dd7e565ba9f0b39fa98032792249473db622c0d29b6ab8e8977f76e92169
Manifest85a90914f59e0090acc4f28e378643dee4f963268efbb1af20bbf9ba0e8a00cd

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
SignaturemtRMsxZ8wOa5pD/CxK0IlGiINeUMY0cWI/Btc/823LwEpO/3o++cOMiqJbXjcDF7HCH5NrQq2S/Bl95ukce3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:03.585460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942
observed 92a2dd7e565ba9f0b39fa98032792249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.562944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942/manifest.json
observed 85a90914f59e0090acc4f28e378643de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.542560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942/publication.md
observed 7fdfe138485f8a8215f9c4bebf6b8be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.524269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942/publication.txt
observed cdf2dfeb16282d8e25c5cdad220d9476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.815103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942
observed 92a2dd7e565ba9f0b39fa98032792249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.797114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942/manifest.json
observed 85a90914f59e0090acc4f28e378643de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.774491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942/publication.md
observed 7fdfe138485f8a8215f9c4bebf6b8be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:53.751973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075942/publication.txt
observed cdf2dfeb16282d8e25c5cdad220d9476...
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.