OpenTechnical

OT-2026-000092772

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000092772) never changes.

Identity and time

Publication numberOT-2026-000092772 · never reused
Internal UUID01a0ae9d-b600-751c-b8d3-592e7bb98ea4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092772
StatusPUBLIC

Content hashes

Canonical text3b978a5d989bbc1a5ddadba078a399d198394b1a9bd7c2a4d9aa7641a2e8a7bc
Markdown69cfb42bd9b0a36b62030378b70e02355d17ef6d0730cb9e849f3e2bebe16cb2
PDF
Publication pagebfa90ac353effd1736d6999c985e68e0883f6b6099c2b95b3f0e283e503abfed
Manifest96c026ffbc08ef8bce2a6fe65e9567797a3e44dfbf8833b1c357f2bedb476cc4

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
SignatureDeCfgzQnt8MbSNi8/BoJHSYKRgDJjxzJ4y9qt1R4GyzFnVGRC9UK5cD8HVTWW+ZOP5TQfVEMz4xfLjI+PNQoAA==
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

2026-09-17T09:41:24.369319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092772
observed bfa90ac353effd1736d6999c985e68e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:24.354347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092772/manifest.json
observed 96c026ffbc08ef8bce2a6fe65e956779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:24.338369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092772/publication.md
observed 69cfb42bd9b0a36b62030378b70e0235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:24.320998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092772/publication.txt
observed 3b978a5d989bbc1a5ddadba078a399d1...
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.