OpenTechnical

OT-2026-000034150

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000034150) never changes.

Identity and time

Publication numberOT-2026-000034150 · never reused
Internal UUID01a0ae75-df0d-7f02-8f8c-555afdd88611 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034150
StatusPUBLIC

Content hashes

Canonical text3582deca13d3fa8c79d31084d2e9796eda438f7e9571839d8923ac9ada6bba6f
Markdowndbb9b493c770344ea91320c4d7304e91816ae288867be4c7cf1e62c54c0ea8a7
PDF
Publication page327c4b54bbfa4e48f0c2de6c7e68f30f00172c48722e1ad4ee69ee521d30ac47
Manifest6eb6c66f6439f95aabb99f0d48eff689e7a1dc60a1f51b6b62b85990e5e25571

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
Signature8k2FZOqj8ydtWtI28dG2FGSX/jyMFG5tcHQQu+Sd8BgJJTyfQfd9WXWJ7f5Hn38fCTQgxdAuK9AwWIr7e3fUDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:32.973096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034150
observed 327c4b54bbfa4e48f0c2de6c7e68f30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.954567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034150/manifest.json
observed 6eb6c66f6439f95aabb99f0d48eff689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.938660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034150/publication.md
observed dbb9b493c770344ea91320c4d7304e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.914785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034150/publication.txt
observed 3582deca13d3fa8c79d31084d2e9796e...
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.