OpenTechnical

OT-2026-000097493

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000097493) never changes.

Identity and time

Publication numberOT-2026-000097493 · never reused
Internal UUID01a0aea1-55b3-7aab-9552-e24b8c72b3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097493
StatusPUBLIC

Content hashes

Canonical text6841387c291d477217f682b64ed764c433675f48cb2c73234e81bb0f57f2b285
Markdown3d9e606c7763ab6672f320424fdd677d70c0ae80b3eb6164d8dde2944abe731c
PDF
Publication page0441b6438e324e2400b1658962660495d2f61b3fb6cdfc059ce095066a5e6a17
Manifest3d40cf48f33b8c828acdc8291eefce5e72b8416b89bf457f8eb04d3305d612d2

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
SignatureWpYa3fvyOb0QzJlrdmufMbho6yH7XTOjbXaOcQ939h6JYYF8hruOAP3Pe8t1oKzhG1Rx7rwaOrTyfWn/0O8oDA==
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

2026-09-17T09:33:21.950583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097493
observed 0441b6438e324e2400b1658962660495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.933347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097493/manifest.json
observed 3d40cf48f33b8c828acdc8291eefce5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.917079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097493/publication.md
observed 3d9e606c7763ab6672f320424fdd677d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.901591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097493/publication.txt
observed 6841387c291d477217f682b64ed764c4...
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.