OpenTechnical

OT-2026-000041768

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000041768) never changes.

Identity and time

Publication numberOT-2026-000041768 · never reused
Internal UUID01a0ae79-e8a2-7a62-b496-0b4dd5551846 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041768
StatusPUBLIC

Content hashes

Canonical textb8c3e175793155d2f3ebdae6faa0c0d14f3b590c19f92b04f86501ff1bebc22c
Markdowna2a9a755008ad7b6f0a40b6b110f14faeff1a8bfb2737fa19e35bf114df223fd
PDF
Publication page17cd7a673f8bb58750d9afb701f2f94fce454da0bb623ae967a51f2f249fa6a2
Manifest977167165744748c40dbcac067dc3e5efaf66d58ac7164c6b1c186795e12c716

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
SignatureRldZVysImPhryYv0NwsHwAYM545RJJPINRSfpiZ1M9d8k/QCG9cpcEHHp8UsJf/DN9JibNfvd1AYycO8X51YCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:37.020736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041768
observed 17cd7a673f8bb58750d9afb701f2f94f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.002869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041768/manifest.json
observed 977167165744748c40dbcac067dc3e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.983728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041768/publication.md
observed a2a9a755008ad7b6f0a40b6b110f14fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:36.965209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041768/publication.txt
observed b8c3e175793155d2f3ebdae6faa0c0d1...
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.