OpenTechnical

OT-2026-000038340

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000038340) never changes.

Identity and time

Publication numberOT-2026-000038340 · never reused
Internal UUID01a0ae78-2d52-7875-9aa4-b76bc1f46d69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038340
StatusPUBLIC

Content hashes

Canonical text7840a490bb33bacd4a89c5058d9863ccd4141f7a6bdb04199c5c1f8c93f23070
Markdownf6754f2075bfc974c4c29a6810c4d7ec035d66406072843ce7b9b5080d9ddb57
PDF
Publication page41126fac1afdb527ecdbdac94fcbd32734751d0c6e3ef3650742955b0820d619
Manifest6721f2be78219162cf11484398f68305afcf57a9529cb2a99c6b6b6f9eb2c1c3

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
Signature2/p6hsqzFCrWmPE6pKxRnL5YzMNfgiFfO5u1tUfvxIeftZc8DvRTA8wa1a3wv0wkp+QaKbAr/Llg+/7xKUkWBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:31.462070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038340
observed 41126fac1afdb527ecdbdac94fcbd327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.441598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038340/manifest.json
observed 6721f2be78219162cf11484398f68305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.422700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038340/publication.md
observed f6754f2075bfc974c4c29a6810c4d7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.405091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038340/publication.txt
observed 7840a490bb33bacd4a89c5058d9863cc...
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.