OpenTechnical

OT-2026-000089947

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089947) never changes.

Identity and time

Publication numberOT-2026-000089947 · never reused
Internal UUID01a0ae9c-428d-704f-a3b0-2e27e3bd05b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089947
StatusPUBLIC

Content hashes

Canonical text8b34520627c89c66d114004a1da5b965f048f3d25abdc9a27963cc5627cd542a
Markdownafece5f059150e5bcd837e6ec6f83f32115839028146122ddb05930d025f4f2f
PDF
Publication page53d192dbfd8afe0acf1ee7d899ff2254b4e7685828ccddef96aad3684c030c97
Manifest24d470ee3e70227643d352a7c56d3da77780ce4779df8db572c711cdf03b05a2

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
SignatureVwlQrXkm/1g8mdcQg2P7kLOwsMWkU2HkvFcUIFKdys0ndbZwqTm8z3101KIhV8RL7u5FtakjCfdfE+zwDICuAw==
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

2026-09-17T09:45:19.542510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089947
observed 53d192dbfd8afe0acf1ee7d899ff2254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.523636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089947/manifest.json
observed 24d470ee3e70227643d352a7c56d3da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.503732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089947/publication.md
observed afece5f059150e5bcd837e6ec6f83f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.485775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089947/publication.txt
observed 8b34520627c89c66d114004a1da5b965...
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.