OpenTechnical

OT-2026-000013016

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000013016) never changes.

Identity and time

Publication numberOT-2026-000013016 · never reused
Internal UUID01a0ae6d-5564-7951-9bf0-e1795725f340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013016
StatusPUBLIC

Content hashes

Canonical texte7f891480f0cf5c2c2f95396817c42cafcccb65bab3445215520db49b28db69f
Markdownb06102225d75b373a447fb5a0229486360fdd874220bd4f6d63b0b358a1a52d0
PDF
Publication page3b3a6c9e8186ad4eabc73651c53d0c93a662d62da9c4613c924f9391b2ca9c49
Manifest7ed60c3b9132641b8d9b3b198a230a7c9399a9678eb029f7c98492dfcc395b13

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
SignatureN9C+csjrmSmmMcVwJDI+0GsgM3+HlxrYdTBsc8BX5VULvjtudA8zOrH34C/eLAwTq+6IapqDezfiM3AAu3PyAw==
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

2026-09-17T12:10:50.451724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013016
observed 3b3a6c9e8186ad4eabc73651c53d0c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.430695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013016/manifest.json
observed 7ed60c3b9132641b8d9b3b198a230a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.408976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013016/publication.md
observed b06102225d75b373a447fb5a02294863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.388869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013016/publication.txt
observed e7f891480f0cf5c2c2f95396817c42ca...
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.