OpenTechnical

OT-2026-000065781

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000065781) never changes.

Identity and time

Publication numberOT-2026-000065781 · never reused
Internal UUID01a0ae8e-46fb-72e7-ac58-25025f37d378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065781
StatusPUBLIC

Content hashes

Canonical text8d611a9cb836328737599a26a33569e418c17006312e31757e8aa6c5a614cc34
Markdowndb95c2e271c79a57e66aeab269725aa32dbdca1a7d0c8438490e114934403266
PDF
Publication page7dc6cadc8f1bb762a9cc69ceb09f481a86fe6d9983ecb3c3896f3d17b86363be
Manifest7e3518760e0266adcb86ff94d84119ca6e26fc8cf3e440d645490726a08bd4c9

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
SignaturecYKRkIRuBYmH6DmqulD40YFySeyXdHVUKJyV8WYzDVaZDJKwiStuPCFkasZtcTMMb9QOawr0eQMW7XVVQvYlAQ==
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

2026-09-17T10:34:13.116784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065781
observed 7dc6cadc8f1bb762a9cc69ceb09f481a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.097925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065781/manifest.json
observed 7e3518760e0266adcb86ff94d84119ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.077842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065781/publication.md
observed db95c2e271c79a57e66aeab269725aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.060524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065781/publication.txt
observed 8d611a9cb836328737599a26a33569e4...
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.