OpenTechnical

OT-2026-000070807

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070807) never changes.

Identity and time

Publication numberOT-2026-000070807 · never reused
Internal UUID01a0ae91-8c2d-715d-9307-0a50e88a2c56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070807
StatusPUBLIC

Content hashes

Canonical text45400be5d80148871e479c3fd7f010149ce784fabe56b7004bdc3947499d792b
Markdowncb21dd32063675d6ff4c8781648ff84b26be85676353211fd051ad2410daadd8
PDF
Publication pagefc6bb0a47211e6d60d15705e34f55438e774100117b43207a1878c364891c166
Manifestbcb0968f44f5dc87f0f2bdd83f2d09cff42b55fcd07a36f73836dc5dc52e07f6

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
Signaturev+Up6aeNX6UCp20/OMYtOyEz8Xc+2Q1pIFP9pc0Kl9yuqT1wVJmYYe7S2/sqly33OCpJX1LXAfEsW/8t4ed9Bg==
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

2026-09-17T10:25:30.972134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070807
observed fc6bb0a47211e6d60d15705e34f55438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:30.953942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070807/manifest.json
observed bcb0968f44f5dc87f0f2bdd83f2d09cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:30.936335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070807/publication.md
observed cb21dd32063675d6ff4c8781648ff84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:30.918077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070807/publication.txt
observed 45400be5d80148871e479c3fd7f01014...
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.