OpenTechnical

OT-2026-000076419

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000076419) never changes.

Identity and time

Publication numberOT-2026-000076419 · never reused
Internal UUID01a0ae94-6a70-77d2-92c6-0f3c42431f24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076419
StatusPUBLIC

Content hashes

Canonical text9d0e077899f6e1f6d247712d56c2cb4cc4fca654c06ee5436901eb82ea779ea8
Markdown476df7689dd494cddc42631d72b80953686122be8f003f6293b7f67d86162ff5
PDF
Publication page531ba91b568eefaf662ff9c40f23bc8c735ed72c5a7b387780c360b2aeec3d97
Manifest9d117b311609d53d5a1fd894e68fa34520d821d3cb29a7128e33a400f59a0158

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
SignatureMNUGPaiwkHMCPZvRCBoq6Jgiyvj+0m0imJMIKaXsvh/VX5jgi9qXPRKtFLeMIcPCCh95O4eridRsjwO+rI3UBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:23.703905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076419
observed 531ba91b568eefaf662ff9c40f23bc8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:23.561361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076419/manifest.json
observed 9d117b311609d53d5a1fd894e68fa345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:23.542456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076419/publication.md
observed 476df7689dd494cddc42631d72b80953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:23.522704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076419/publication.txt
observed 9d0e077899f6e1f6d247712d56c2cb4c...
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.