OpenTechnical

OT-2026-000097222

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump 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-2026-000097222) never changes.

Identity and time

Publication numberOT-2026-000097222 · never reused
Internal UUID01a0aea1-01ca-7d4e-8067-9aa5b5cdf91c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097222
StatusPUBLIC

Content hashes

Canonical text7ae64a4844d869631af10565a5aa347a93eb266684ec23e0936c2d3ee9ff6150
Markdownc340a4c0ab930bf4c5d5ff39c549c5a37b97c7dbdfef8e7fae7781b4c7a150d6
PDF
Publication page33e88d93a0ccd4df4bef0d5e1e1358c9663e2fee0ffd1c960d7b5dfd20cc317a
Manifest91ca93339438bc7e8a0e4a1e577da638db4792dbb770d83d0bae7e8f7446ec28

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
SignaturesA4OjHP8CVjSgYs5Y+8TpvqNWTBpU1MgWlVY7vRwU86WEufEMe9zzch7DUDTOfLKvhekFpMmsCDyQvm6kr6FAg==
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

2026-09-17T09:33:28.095099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097222
observed 33e88d93a0ccd4df4bef0d5e1e1358c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.078047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097222/manifest.json
observed 91ca93339438bc7e8a0e4a1e577da638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.062165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097222/publication.md
observed c340a4c0ab930bf4c5d5ff39c549c5a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.047162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097222/publication.txt
observed 7ae64a4844d869631af10565a5aa347a...
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.