OpenTechnical

OT-2026-000097789

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000097789) never changes.

Identity and time

Publication numberOT-2026-000097789 · never reused
Internal UUID01a0aea1-92f6-7ec2-859d-61ca21d2c16a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097789
StatusPUBLIC

Content hashes

Canonical textc4e1a85e5a7a52170d20215f766f83b1121ed2ce9523f6764282334228f3b65f
Markdown4fe34075ac1f6fe8fe01dbd48020489df7ff528a6d7088165de31463ca0ae2a1
PDF
Publication page530d8dbd51bf8e545467df695d30de270d462ed17df06bfeddfc6cdf590ab3e6
Manifeste69f5e6e901199bfb8576afbfdfe4ff57af6719ad50d2f03b6fefe760179087a

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
SignatureLEQ2GlWuHDvFOP1/XNiZRKEfMSTqILtxUDQ9G5YPBhIJuC0JL/Z9N54ZSfn77n4YpLfxRhd2PH1B5u1WIAa+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:52.207723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097789
observed 530d8dbd51bf8e545467df695d30de27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.188487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097789/manifest.json
observed e69f5e6e901199bfb8576afbfdfe4ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.170737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097789/publication.md
observed 4fe34075ac1f6fe8fe01dbd48020489d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:52.151949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097789/publication.txt
observed c4e1a85e5a7a52170d20215f766f83b1...
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.