OpenTechnical

OT-2026-000020029

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000020029) never changes.

Identity and time

Publication numberOT-2026-000020029 · never reused
Internal UUID01a0ae6f-1fb7-739f-87f4-0e386012bf01 · 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-2026-000020029
StatusPUBLIC

Content hashes

Canonical text4b0aa9b589c89e6eebcb4f1e02f55b59bb9bb9317a3eb929daef0ec53e8a42af
Markdown2dcd9486a07e58280adc5d2b4acfc9c84b226843672eeb6bdaffacaae48824ad
PDF
Publication paged1fff14c3d73a3e343e61459f30dac2e365aa40b4ef1b8165ba6d2da7eaa72f1
Manifest05d1ae8ae3db81e40ed385072562d6b5e48ed5be2109528e2a8cfd2d9604f06f

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
Signaturero0DMD/mfQq/nkKKZ2Pxt20Ue7o++KH5L9rCout+aHmczLN5/z/Wxlng8j6d/3ILavhVc0hBXYckEYcHAT4UDg==
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

2026-09-17T11:58:17.108484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020029
observed d1fff14c3d73a3e343e61459f30dac2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.088758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020029/manifest.json
observed 05d1ae8ae3db81e40ed385072562d6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.070354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020029/publication.md
observed 2dcd9486a07e58280adc5d2b4acfc9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.052388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020029/publication.txt
observed 4b0aa9b589c89e6eebcb4f1e02f55b59...
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.