OpenTechnical

OT-2026-000071773

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000071773) never changes.

Identity and time

Publication numberOT-2026-000071773 · never reused
Internal UUID01a0ae92-1e91-78c2-8d98-b4dcd41ad2a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071773
StatusPUBLIC

Content hashes

Canonical text049c6c2b06f1c371240cbd80c72f0fb89fb152b7628a28d1764c7bd47d592d7d
Markdown663715bd3f9e863d86a434bf7fd41042bfcfa353c5593a442d39b17e0d0af14c
PDF
Publication pagec7a36312fa9f76a87963d4184c58691779f013d51a8633cf2ed37a6a49f2f31e
Manifest5f3e2d69fcf4b1e3db93496792ad5cd19a717a795a076c9d368dd41e06235bae

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
SignaturekIXGau/3BmVoeTRYjpkLniqJHff417orzB/lD8cFNakQMkJbPBj8sVrdMV6gPWC2dcysElQqmdLlAOMb5L7LAA==
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

2026-09-17T10:23:56.144892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071773
observed c7a36312fa9f76a87963d4184c586917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.127363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071773/manifest.json
observed 5f3e2d69fcf4b1e3db93496792ad5cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.110802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071773/publication.md
observed 663715bd3f9e863d86a434bf7fd41042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.092777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071773/publication.txt
observed 049c6c2b06f1c371240cbd80c72f0fb8...
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.