OpenTechnical

OT-2026-000090694

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090694) never changes.

Identity and time

Publication numberOT-2026-000090694 · never reused
Internal UUID01a0ae9c-7f30-7828-959c-ac7b03ee08cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090694
StatusPUBLIC

Content hashes

Canonical text47bdc7e95a74fa542271d05360ce0a0206fe0cc8fe2ef4bd8fe46e8e6821d965
Markdown8a33a9750fe06954065843c28df951d36d28ffbe5147b7f6f3abe9dea3a6a6a6
PDF
Publication page3f7e32260d770d6a6bcc9d71f62d6e2a9e48af3b4fba403ce2f52f9c5186d1a6
Manifestd8b1ca945fa0e11949ef9fa5a86da1d947c2b822776cab7fc91f1e7d63bbd087

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
SignatureqDdNqDwrO/0HkuR2NZstrLbfYhc/53ZCxm9eUNDPc9YL5eTvAqHYQuBt/2yHXc0iKJRTABJHEKPYltwwA6yuCw==
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

2026-09-17T09:44:53.705014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090694
observed 3f7e32260d770d6a6bcc9d71f62d6e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.687292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090694/manifest.json
observed d8b1ca945fa0e11949ef9fa5a86da1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.671123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090694/publication.md
observed 8a33a9750fe06954065843c28df951d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.652872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090694/publication.txt
observed 47bdc7e95a74fa542271d05360ce0a02...
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.