OpenTechnical

OT-2026-000019329

Publication integrity record

Single cup vacuum gripper, two 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-2026-000019329) never changes.

Identity and time

Publication numberOT-2026-000019329 · never reused
Internal UUID01a0ae6e-f392-79a2-a03f-ba8589189e90 · 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-2026-000019329
StatusPUBLIC

Content hashes

Canonical text0e20d55b69f308f10375d61c5b27ea8b2ced31e133b0651055b66e212ce840fd
Markdown9774e4023fe7537c84642eea550c7973612662c38534f387fb0e14a42ff54d6e
PDF
Publication page460ceab20864292e7d7cdf16fade13b3e4143a992857259f13ed4016f9a450c8
Manifest4cc45c4aebbf88338a622103b612ab2283c584cea331f2a6f1bd7a875e9c638c

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
SignaturepjPViCAtsEfGpkwzPtLta11Ebr4ETJL0kqctK2IU4BFC1enluG7PdbiPL7bbHE80ChlQ1aQYK1Qcl+qMPeV+CA==
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

2026-09-17T11:58:41.786846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019329
observed 460ceab20864292e7d7cdf16fade13b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.769043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019329/manifest.json
observed 4cc45c4aebbf88338a622103b612ab22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.751352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019329/publication.md
observed 9774e4023fe7537c84642eea550c7973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.732510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019329/publication.txt
observed 0e20d55b69f308f10375d61c5b27ea8b...
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.