OpenTechnical

OT-2026-000069164

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000069164) never changes.

Identity and time

Publication numberOT-2026-000069164 · never reused
Internal UUID01a0ae90-6dcf-780a-a569-2405fafba5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069164
StatusPUBLIC

Content hashes

Canonical textcb7d8ed576a118fc125d476823933430a52753795ab80cdf60b2f95168935d27
Markdown50d71f0fdd581108c0dd9afc263d215b4e8e846159ca734d72e2d7987654d8c2
PDF
Publication page2498c682da12cfa5e1a27107743e5b4dfc45a131f3ec498f68a538a7056c58a7
Manifestf8abff32e38705cc79ffe78db585d44bd7aadcfdae3b126c393ffafd919da601

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
Signature3rU4H5TzY0w2EOapVe8Sdi1vIZceAau/CsCjh4UxiGes3RIjTXSqutcpeB1asbU3d7MFdpVjiC0k6onKuFSaDw==
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

2026-09-17T10:29:03.129191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069164
observed 2498c682da12cfa5e1a27107743e5b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.109996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069164/manifest.json
observed f8abff32e38705cc79ffe78db585d44b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.092406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069164/publication.md
observed 50d71f0fdd581108c0dd9afc263d215b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:03.075808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069164/publication.txt
observed cb7d8ed576a118fc125d476823933430...
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.