OpenTechnical

OT-2026-000094432

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold 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-2026-000094432) never changes.

Identity and time

Publication numberOT-2026-000094432 · never reused
Internal UUID01a0ae9e-f4e7-7825-9db6-7ffc09d4572b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094432
StatusPUBLIC

Content hashes

Canonical text524c98f329f975993c05d70bd9e941a7dd5c0f135c55dc485e78c286c6d06974
Markdown1ef9ab74d6ac6bf28ef59b5c52f7f920c94041568ba96e1f147e7d8b5510b57f
PDF
Publication pagefebf03be2bd38a25724e3f9d7535d60bc9738804295408c7027145e1b7e49046
Manifest43a46fcbbe250de2f444d07372c497a561d753d97c64cd8c2c98c06b73c588c0

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
Signaturemu9f9ERscBuG8CbJImG/Ytbg1HIU1ASDD7skyT0vCgUW4BU403MaPzV87jXoqTraPqkcWSK3IaHNoy7jvUz8Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:50.772984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094432
observed febf03be2bd38a25724e3f9d7535d60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:50.756214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094432/manifest.json
observed 43a46fcbbe250de2f444d07372c497a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:50.738880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094432/publication.md
observed 1ef9ab74d6ac6bf28ef59b5c52f7f920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:50.721686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094432/publication.txt
observed 524c98f329f975993c05d70bd9e941a7...
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.