OpenTechnical

OT-2026-000084571

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000084571) never changes.

Identity and time

Publication numberOT-2026-000084571 · never reused
Internal UUID01a0ae98-e25b-7272-96b2-344d17f95bdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084571
StatusPUBLIC

Content hashes

Canonical textded8c6763d38f55b5b3d2d067b0eff9aa6a2ea4320673667e5c5361de43df005
Markdowna3ed159a3ed018be6c1c29b530650d33ef1a098fbbc491153e95410413ee7efc
PDF
Publication pagefdef63127d7ac3be2168fc1bd152db6c629bbe8eaf8d0c01919babb3740354da
Manifest9a30ca71ffed2094bcafe586585e1c173a540317a9212d6b61bc5fe5c67eca8c

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
SignaturecezIuXlhWqcoQRsoiYtfShDmKAM7q3CpliFoj4AtumsUr/8E6IA5ZLDhjPSiJaf8Y4Z9yeervI6Ur9lJgApjBg==
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

2026-09-17T09:55:28.070362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084571
observed fdef63127d7ac3be2168fc1bd152db6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.054481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084571/manifest.json
observed 9a30ca71ffed2094bcafe586585e1c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.037846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084571/publication.md
observed a3ed159a3ed018be6c1c29b530650d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.020460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084571/publication.txt
observed ded8c6763d38f55b5b3d2d067b0eff9a...
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.