OpenTechnical

OT-2026-000022109

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000022109) never changes.

Identity and time

Publication numberOT-2026-000022109 · never reused
Internal UUID01a0ae6f-f4fb-7832-8812-24377c3dfecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022109
StatusPUBLIC

Content hashes

Canonical text175bc92088589bfa557d85cdcf5945446ea027ad5c59a6789674ad8618d58f36
Markdown97d50046a0c96bff6dee906003d41e971756e51e66fd168b05dc40f49a2d269a
PDF
Publication pagee53018969a825d6a6b30dbd8676d9745edec99107c17585aac2e5e2b9053940f
Manifestaba70eef9dec0fbb3bb38a41626cab5722411b701e564d5cc4660926876726c2

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
Signature9gSSnn7hoJ8fnQyYPyZhMFFwsiv+Vt50EbbdMz5u+gClCRCmrojDEo9HzEr5bnN8+XaKd1tDaH3M9xqdTWu+Cw==
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

2026-09-17T11:52:46.771448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022109
observed e53018969a825d6a6b30dbd8676d9745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.754829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022109/manifest.json
observed aba70eef9dec0fbb3bb38a41626cab57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.736909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022109/publication.md
observed 97d50046a0c96bff6dee906003d41e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.721437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022109/publication.txt
observed 175bc92088589bfa557d85cdcf594544...
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.