OpenTechnical

OT-2026-000040293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040293) never changes.

Identity and time

Publication numberOT-2026-000040293 · never reused
Internal UUID01a0ae79-2700-7563-a84d-8f9fd2e4ddda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040293
StatusPUBLIC

Content hashes

Canonical text744d2c1704092c12a2a874906cea1f4a3a0f572f145378502605c1a53006ece8
Markdown468463efb75e4e975835705f09e64463d6f6d71dc79958632cba1aa17baeffbc
PDF
Publication page19e2d34344579a7caae6f55188ee403ad7efe5b47af3d7f92af9888e0014d81e
Manifest03c9898c25faec924b6d424ad0bac3f042d51f94c80e9e80d2b0bd63c379c40a

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
SignatureEg7WS1w5sJTpc374lxlmOrKqNh2GLIUFAPvmN2EyFLrqJkIQpPlyXYd8hIGK7KTTrfs2/It6ePPuKzf+y4KwAg==
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

2026-09-17T11:19:11.899165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040293
observed 19e2d34344579a7caae6f55188ee403a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.883005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040293/manifest.json
observed 03c9898c25faec924b6d424ad0bac3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.866121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040293/publication.md
observed 468463efb75e4e975835705f09e64463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:11.850143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040293/publication.txt
observed 744d2c1704092c12a2a874906cea1f4a...
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.