OpenTechnical

OT-2026-000042233

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000042233) never changes.

Identity and time

Publication numberOT-2026-000042233 · never reused
Internal UUID01a0ae7a-5d72-7226-8817-94bd8d0eb02a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042233
StatusPUBLIC

Content hashes

Canonical text184ce6c05bd21283d241720c1f51c6e18db62a59ededef050934a23759f3e9c4
Markdown705f76eeff4550b86d96020eef1752c479b8030bfe4ca0d24831a35c22c49313
PDF
Publication page88238f834c151ca571d2d82ecf75abb6ee88a21b6a12e329664f1de4130f6965
Manifest4d3a1b26236418e4fbc6a824389cb721490388f8dd6dadcd2019b04f5fed6916

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
SignatureP1xzjvYj9pQyu7ty6FSKnDc4q4IQC1f64IQkoviF4hfmotfC1YnJcPKyYdnYdMPC/CAnsreUx5EXt9DszySqDw==
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

2026-09-17T11:15:54.659424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042233
observed 88238f834c151ca571d2d82ecf75abb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.638483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042233/manifest.json
observed 4d3a1b26236418e4fbc6a824389cb721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.617217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042233/publication.md
observed 705f76eeff4550b86d96020eef1752c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.595672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042233/publication.txt
observed 184ce6c05bd21283d241720c1f51c6e1...
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.