OpenTechnical

OT-2026-000019269

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000019269) never changes.

Identity and time

Publication numberOT-2026-000019269 · never reused
Internal UUID01a0ae6e-f392-74ec-a161-9b533bcffc16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019269
StatusPUBLIC

Content hashes

Canonical text1743acb5eb174dfc166bf15aa8792e5aa8918720470f2ff8b99c740e3931059d
Markdown2f883117723e9d2e1d696d644645326d1bb1b0ff446921fe21fbf07220a6c517
PDF
Publication page4730997c67c2725462d46b8b85620ed3fa386146430e7c8061ba74906645a946
Manifest3a0bf3a250552560e33a90546d0bcca6ad5ef2339c80ba59a1164140cab9cce2

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
SignatureFefHu137VORA+a4QcSx01lHu8pXVkG2TQwueKyThctSyTJBRb1SJdRbIeFzAIBrzhFQL4Hp2Y0S1H9TGy1xMAQ==
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

2026-09-17T11:58:34.806191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019269
observed 4730997c67c2725462d46b8b85620ed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.789081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019269/manifest.json
observed 3a0bf3a250552560e33a90546d0bcca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.772643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019269/publication.md
observed 2f883117723e9d2e1d696d644645326d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.755334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019269/publication.txt
observed 1743acb5eb174dfc166bf15aa8792e5a...
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.