OpenTechnical

OT-2026-000066744

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000066744) never changes.

Identity and time

Publication numberOT-2026-000066744 · never reused
Internal UUID01a0ae8e-ce42-717d-8893-3ba345feb55c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066744
StatusPUBLIC

Content hashes

Canonical textbac40808f93087096b5aeb7ad64fa19f90159b2afa238b6bc0930d2333c531e0
Markdownac4e5cbd2b9fd6654ec69df087aee88a82679892b1f0a3e4b1551b7568ff7b8b
PDF
Publication page16ad20e0554212a77aff057d42cd638e9e7aaab29906ac2110153823edabf615
Manifest5e1d3ab39825894b1d55f62ca4a0b61c569300b7ce36d9b70963f2d2915895bc

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
SignatureGxNTfRAPdGKmDpH0aVDwPB9XaM1FGUQPsyqUM9kznD1XDQCTUdNlVXvLKK8zaLS5Md7PWcsXqD49w1y38YBqCg==
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

2026-09-17T10:33:09.271903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066744
observed 16ad20e0554212a77aff057d42cd638e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.254860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066744/manifest.json
observed 5e1d3ab39825894b1d55f62ca4a0b61c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.237647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066744/publication.md
observed ac4e5cbd2b9fd6654ec69df087aee88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:09.220873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066744/publication.txt
observed bac40808f93087096b5aeb7ad64fa19f...
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.