OpenTechnical

OT-2026-000067343

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000067343) never changes.

Identity and time

Publication numberOT-2026-000067343 · never reused
Internal UUID01a0ae8f-6bd8-795c-991e-3187f66af880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067343
StatusPUBLIC

Content hashes

Canonical text40d485c30afde553187477cd677f0ef5a1e093c000d1217b7f1cbc2d4080b675
Markdown94b9faf3a5283f04c09a8f82260c6540a92187e3baf4e586b8a40b6f53c10794
PDF
Publication page7cba7f58c17450ea7debf0ec775fef5a17ed13be18070c47b6892d3e9f062a50
Manifest80ba4d46fee935091fc3c8843743d6f070b31a194ee23074e1e82e3784130304

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
SignatureR4IHSvpIkLvlIrC3krP4TE15R/Jn0YTnmdsq+7xP8u8UhS8FVfZ2EYDHS6kvUv7FPbr/LDoPvCVr6mPRhCgLDQ==
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

2026-09-17T10:31:31.623917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067343
observed 7cba7f58c17450ea7debf0ec775fef5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.605963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067343/manifest.json
observed 80ba4d46fee935091fc3c8843743d6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.587430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067343/publication.md
observed 94b9faf3a5283f04c09a8f82260c6540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.571077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067343/publication.txt
observed 40d485c30afde553187477cd677f0ef5...
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.