OpenTechnical

OT-2026-000086339

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086339) never changes.

Identity and time

Publication numberOT-2026-000086339 · never reused
Internal UUID01a0ae9a-2c96-73cb-afc6-a7a45560130f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086339
StatusPUBLIC

Content hashes

Canonical textd46e96c79798a325230b7823714107beb84c15d6b2d214d8f0065dcb9a4c54bf
Markdown5c473109276953da738ff1611e8fe18d25e74679cac669eb08f9aedf9fe1835d
PDF
Publication page8f790e3c5cc8e5b7b093fcc0999393c82764c8f183a607d99b49e26e7b26d4bc
Manifestf02f3ba006d9c8847095ed6b61a3ddfa67b6f4be732b75e38cc263a8aaa70577

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
SignaturetkNN43d/4xbNqJbiIPMLOXMb/gOrjR0q+2sdBLvqZjRE0AGa7voKSUcPAQlP8u709+0wpjR4SfwFq4Ln8m7EDA==
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

2026-09-17T09:52:01.861339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086339
observed 8f790e3c5cc8e5b7b093fcc0999393c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.842727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086339/manifest.json
observed f02f3ba006d9c8847095ed6b61a3ddfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.824331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086339/publication.md
observed 5c473109276953da738ff1611e8fe18d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.806637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086339/publication.txt
observed d46e96c79798a325230b7823714107be...
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.