OpenTechnical

OT-2026-000069744

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069744) never changes.

Identity and time

Publication numberOT-2026-000069744 · never reused
Internal UUID01a0ae91-185f-7b7d-92a7-301596a39097 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069744
StatusPUBLIC

Content hashes

Canonical text6e3f321d603cace5ba1c563471131134a6a18a744e5175dbfdf1636956366098
Markdowne63017fe00e89cce1f96c1851cbabb02490bb10683361ce28f21eeecd69bcd9d
PDF
Publication pagec84c4c32d9c3330e5defd731e65a6a6fd9d1fc12cf54a25a365b498342db297d
Manifestc5cf009c161baf21fc45a2f2943010cd58e120c4c316ec754bbc22fb4fef2ee4

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
Signature3eqbk7IlGMd7DnkiRgmRLmaALJsq0Rd4JWuixaOFdB8oKyQDQQArOpjNbYODCcy7r/WXbdy7ETJ9uBStFCcYCA==
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

2026-09-17T10:26:33.601593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069744
observed c84c4c32d9c3330e5defd731e65a6a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.584020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069744/manifest.json
observed c5cf009c161baf21fc45a2f2943010cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.565534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069744/publication.md
observed e63017fe00e89cce1f96c1851cbabb02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.548031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069744/publication.txt
observed 6e3f321d603cace5ba1c563471131134...
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.