OpenTechnical

OT-2026-000083581

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000083581) never changes.

Identity and time

Publication numberOT-2026-000083581 · never reused
Internal UUID01a0ae98-0415-7164-970a-5a021d2d5735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083581
StatusPUBLIC

Content hashes

Canonical text51492eec87ee29525509669026c63ef7b39819bd4bd6715d0de1acdb4c0d3aa8
Markdown0f4db9bff3f9e7b1dcd8e6c0247232ff781aef9047bfc41eb02491c23bbc9970
PDF
Publication page9e128691add4cc5fb2d4b56bd3c26b962842aac9a1bd80565d62ca33edd73a53
Manifestc29b63bae55c7132c98373a3b0b296336aaabd4fb309227af2ee14cff651393c

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
SignaturejVgYoYCSujx7WC2mezY8zjk/ml5WEJt0IymulqpZtU+GMJIn3Gu5F+8fAAdYJGWZVzRs2eh0de21HJoTygdKCQ==
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

2026-09-17T09:57:04.344281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083581
observed 9e128691add4cc5fb2d4b56bd3c26b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.327242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083581/manifest.json
observed c29b63bae55c7132c98373a3b0b29633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.311609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083581/publication.md
observed 0f4db9bff3f9e7b1dcd8e6c0247232ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.293527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083581/publication.txt
observed 51492eec87ee29525509669026c63ef7...
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.