OpenTechnical

OT-2026-000047347

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000047347) never changes.

Identity and time

Publication numberOT-2026-000047347 · never reused
Internal UUID01a0ae7f-3e57-7e7f-bb47-394740495171 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047347
StatusPUBLIC

Content hashes

Canonical text2915ae4ec12c0287c5b6ab64e47f67896aea6aa934499951a1967373461ce2ee
Markdown4a6901245531b29a98f03a84e0be0d15245d295c453e40a5051b01bad20912b2
PDF
Publication page8e1ebe7d40b0f0d6b5bf1324170d7c8c710de84d85883eaabecea7f1991d73cf
Manifestcb85169b0492188e3349feb00e4eed8e5b2f9b425377040a24460a06d73b1fbc

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
SignatureJtwP9bWQSJprO1wa/09Gh0acroE3iElbbiWovm99W/5/jxeZFSQWb2rvc4XqQTcIi49Y4Ufy+bxho5FMq40sCA==
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

2026-09-17T11:06:20.457931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047347
observed 8e1ebe7d40b0f0d6b5bf1324170d7c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.434877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047347/manifest.json
observed cb85169b0492188e3349feb00e4eed8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.415036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047347/publication.md
observed 4a6901245531b29a98f03a84e0be0d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.396753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047347/publication.txt
observed 2915ae4ec12c0287c5b6ab64e47f6789...
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.