OpenTechnical

OT-2026-000091060

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000091060) never changes.

Identity and time

Publication numberOT-2026-000091060 · never reused
Internal UUID01a0ae9c-c012-78d2-baac-523e5396952b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091060
StatusPUBLIC

Content hashes

Canonical textba340119ea76a77fac594218c209c0add4e017aafce0b2174fd250d98d0e3ccd
Markdown6fbb3e304b2e128fbf723135c5f4d4b2805eafb6c5fa625a3a5a5f6358bce9e6
PDF
Publication pagea2e8c29b02e554d596f649f6a39ca96619e95b788a43e6c3f4cc99ec968d9970
Manifesta4ae58ae08559d12adc2adc11109c145e30ea517ce3f88aab1a8a0c0db5159a3

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
SignaturefT8GYvcaKeOYsIUqa2g03LpQQOmHQgn23jFTikOa1mAjzY+W6tr5ivelLLCB+/waGquNDY4M9WGKya+G6ai9Dg==
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

2026-09-17T09:44:18.110804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091060
observed a2e8c29b02e554d596f649f6a39ca966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.094531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091060/manifest.json
observed a4ae58ae08559d12adc2adc11109c145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.076467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091060/publication.md
observed 6fbb3e304b2e128fbf723135c5f4d4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.060024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091060/publication.txt
observed ba340119ea76a77fac594218c209c0ad...
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.