OpenTechnical

OT-2026-000088042

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000088042) never changes.

Identity and time

Publication numberOT-2026-000088042 · never reused
Internal UUID01a0ae9b-1aa7-7823-9719-f706ee448148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088042
StatusPUBLIC

Content hashes

Canonical textf60f1cf2788fded178b6ca297a1e66aa49a0b2aa72534a980d56eb3aa50ee6c9
Markdownba0db6025debc1c232535a21b3f382e61b0f94a6ae77ac8c80fadbd86e81bf86
PDF
Publication page7f227f0c4d6b9c310d08b51a837e6a83e3c6e8f4a1e02766163a67ec6f74643e
Manifest2b0b49bf563ed74083ddef6b6294ff0b5276014adf67820dd4495c5cf3c35927

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
SignatureXmm40Bh9sJhQy8fnyJiYHVhtYVUC7X5qGySFyb1cxQ8d0LGhgi/Ww9t//JpRIXD1pMdK3skYyuoNx+Kz2uZBCw==
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

2026-09-17T09:49:25.947056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088042
observed 7f227f0c4d6b9c310d08b51a837e6a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.929155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088042/manifest.json
observed 2b0b49bf563ed74083ddef6b6294ff0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.911418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088042/publication.md
observed ba0db6025debc1c232535a21b3f382e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.892995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088042/publication.txt
observed f60f1cf2788fded178b6ca297a1e66aa...
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.