OpenTechnical

OT-2026-000088040

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000088040) never changes.

Identity and time

Publication numberOT-2026-000088040 · never reused
Internal UUID01a0ae9b-1aa7-78f3-996d-864a1ed56a2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088040
StatusPUBLIC

Content hashes

Canonical textdf37637c2c1a547eb749262d6af10075e4dae3be242d5220e2319590da9e6f67
Markdowndfc06f33a8d9e26cd0586b6ae3fa4184f1ec323cabe0a2e881c51769edf069a7
PDF
Publication pagebc1adca307ead62da6af08c01ddf09ab46de539d89fc7e641e06d616c5350717
Manifest7166d911143c0bb00f0037c8587ad8bc96f47f34228a6474e61c63ce4f0bf7ba

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
SignatureL8DdPVmyE/g3FuOL0f8XCCqHEgba81WBXCdfjZ+VCfliHNCRn5jIomifesjW7D8iLEvQ7EdWxQ92zFtzGPYSDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:25.790784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088040
observed bc1adca307ead62da6af08c01ddf09ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.772779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088040/manifest.json
observed 7166d911143c0bb00f0037c8587ad8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.753414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088040/publication.md
observed dfc06f33a8d9e26cd0586b6ae3fa4184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.734547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088040/publication.txt
observed df37637c2c1a547eb749262d6af10075...
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.