OpenTechnical

OT-2026-000019793

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000019793) never changes.

Identity and time

Publication numberOT-2026-000019793 · never reused
Internal UUID01a0ae6f-1fb5-755c-af75-34c59eebf5b7 · 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-2026-000019793
StatusPUBLIC

Content hashes

Canonical text46cb8806e039fb0dc2635cb9d2db5ce643c35b81a8f04c83a51c2c5656928d87
Markdown5784a9664670f293b15c2e71f1e8768b89726497bc4d63828ca5c2654f7290e9
PDF
Publication page7294f3f57a8f28e9a32324f5b043262148347aa61df9f146d2fff34c7878ae80
Manifestf98590c0cd8d0771d68c33a387c511381f97b9329d06884866fc311fb280eb97

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
SignatureOPrFoc/fKZts7vxaYWbj3yIPXst19HnV+wX/stNRtmEzoQdwuOPYL7+7OiSW+ivHv7feOJ42vXS8QRR+KdFgCA==
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

2026-09-17T11:57:58.598167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019793
observed 7294f3f57a8f28e9a32324f5b0432621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.580625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019793/manifest.json
observed f98590c0cd8d0771d68c33a387c51138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.564070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019793/publication.md
observed 5784a9664670f293b15c2e71f1e8768b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:58.546810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019793/publication.txt
observed 46cb8806e039fb0dc2635cb9d2db5ce6...
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.