OpenTechnical

OT-2026-000019687

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pulsed 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-2026-000019687) never changes.

Identity and time

Publication numberOT-2026-000019687 · never reused
Internal UUID01a0ae6f-1fb3-799c-882e-49cf6d4a2809 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019687
StatusPUBLIC

Content hashes

Canonical text05824a83a96334443f37a65dac2a4eb49a80289a3c9a5d0434be3310499950d3
Markdownad6970329d17ffae8c00149e73d0664238731cead6eabf36c3e170c2e244fc40
PDF
Publication pagea18133f58b301ac83589101f849745352c40e77ac083d751c4154858bbb73f6c
Manifestad22be457b02ca386c6a0d90bb4386884da7fa8292424cef4c33968a027d2754

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
Signature7VKD5ettKctZ8JnjQM+oY82sgxpovbsay1v6+M6oxoiK/ud1MODJVHnZZt40+vgzMphM4JkPfVmu/zg7TDaoDA==
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

2026-09-17T11:57:45.858562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019687
observed a18133f58b301ac83589101f84974535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.836594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019687/manifest.json
observed ad22be457b02ca386c6a0d90bb438688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.817052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019687/publication.md
observed ad6970329d17ffae8c00149e73d06642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:45.798212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019687/publication.txt
observed 05824a83a96334443f37a65dac2a4eb4...
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.