OpenTechnical

OT-2026-000076344

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000076344) never changes.

Identity and time

Publication numberOT-2026-000076344 · never reused
Internal UUID01a0ae94-6a70-7fee-b428-29ed4b1c0e90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076344
StatusPUBLIC

Content hashes

Canonical textcba1fcd1f8d1df35e027abcd3eab222d45eff1514a454a9c9b897e4b263e4f7d
Markdown77df9a2f8b243c26c627ddb0c9d4455e2f6f17acbae95d5eccd5d61457c3d08d
PDF
Publication page72ad3ad663afebb09a38f9690042e422adb97d080d5b5e26ce3df7698d8cd556
Manifest057a119147b475b20c32825845db0ed63ffd6d2cd9f836f3795e842ce65f9e4d

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
SignaturekysrjF4YvOLeFjqgqbKNaTEU//aPLVN4UiIVmccVoCHnMh8Tb5KRmR4S3/Tb7cci37k3ugAkenXv9EDq+bOaDg==
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

2026-09-17T10:12:12.231909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076344
observed 72ad3ad663afebb09a38f9690042e422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.211757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076344/manifest.json
observed 057a119147b475b20c32825845db0ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.192900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076344/publication.md
observed 77df9a2f8b243c26c627ddb0c9d4455e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.174494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076344/publication.txt
observed cba1fcd1f8d1df35e027abcd3eab222d...
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.