OpenTechnical

OT-2026-000090129

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000090129) never changes.

Identity and time

Publication numberOT-2026-000090129 · never reused
Internal UUID01a0ae9c-428f-7349-bac3-c37d59e89138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090129
StatusPUBLIC

Content hashes

Canonical text206fdc2a497ecdbb8451a2dac95164d928c97a280fec5b3fe63298a5fc5da3c6
Markdownb448ec9a24e4d40c1dd17b5a553a16f7906827c1a2d5438b189baef396c538b6
PDF
Publication page5d924905d8d2365952c6fbd5f31d2aa79909a636c62d108e1c3b7467e987ebe3
Manifest6af62859062191c145196be6723db29e139ff1b4eb6dc286d20f537a0ffd88f0

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
SignatureUX3zVGzLj1qqYGOsav44vo7O1E6WUItDtew8icT/ukemU7foXsEpF7Mwdwnuhsne82Uz8hGRizAB+eJWUl/qCQ==
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

2026-09-17T09:45:33.423395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090129
observed 5d924905d8d2365952c6fbd5f31d2aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.404541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090129/manifest.json
observed 6af62859062191c145196be6723db29e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.386468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090129/publication.md
observed b448ec9a24e4d40c1dd17b5a553a16f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.367274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090129/publication.txt
observed 206fdc2a497ecdbb8451a2dac95164d9...
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.