OpenTechnical

OT-2026-000097228

Publication integrity record

Two cup 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-2026-000097228) never changes.

Identity and time

Publication numberOT-2026-000097228 · never reused
Internal UUID01a0aea1-01ca-75c5-87fb-704ca561f1d5 · 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-2026-000097228
StatusPUBLIC

Content hashes

Canonical text730956ed209785157cf30ab49fc4c262ad2059e0aba636d4ac54bdaef7854dc0
Markdownba5ddb8011d461e7ddb778b563b65afc425b8346aee0ea2348d551344a31b4b9
PDF
Publication page6cd837d4a72df4316c1d814004e31d454ac6f411cd1e529b8eb2035ce60470cf
Manifest5c6915809685e89ac254c0363e67c25a0a0f0a49f400502ffafd4f6e1aceff20

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
SignatureTcSV4ZpwImg5SHZAinKniCR5CxnP2g4CUeF7qcuXz5PKT0ARJ5b0uOHVuZwbw/cLThS6kzhXtx0n59/xLHSDAg==
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

2026-09-17T09:33:28.605406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097228
observed 6cd837d4a72df4316c1d814004e31d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.588736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097228/manifest.json
observed 5c6915809685e89ac254c0363e67c25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.571988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097228/publication.md
observed ba5ddb8011d461e7ddb778b563b65afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:28.555544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097228/publication.txt
observed 730956ed209785157cf30ab49fc4c262...
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.