OpenTechnical

OT-2026-000017503

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000017503) never changes.

Identity and time

Publication numberOT-2026-000017503 · never reused
Internal UUID01a0ae6e-76ca-7729-887d-7bd499c4ce94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017503
StatusPUBLIC

Content hashes

Canonical textd9c825136dd85cdfada1c85d2fa9e4ddf713ba78eb2f97b4b802dd450f1cd53d
Markdown9cb9ee38f96446b9c05d5005a61b52bf232149a47425da0481ca131ea457b6de
PDF
Publication pagea0cecea9df462a1eca573d5c8e7db3279038dbc7b606e2fe308a92569dc871d3
Manifest4c6b15ccaf681db6f61dd60bf8155b55ab303b45527261ef7c482a6b45af1ee4

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
SignatureIMC+pgafrm/sJB2cHaBWofgMq89rAlY4tSM2McKyBOSnjBXmOxHQaXS5fePKa07GSGGkEBa5tcya2beeNBoBCg==
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

2026-09-17T12:02:39.473307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017503
observed a0cecea9df462a1eca573d5c8e7db327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.455467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017503/manifest.json
observed 4c6b15ccaf681db6f61dd60bf8155b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.437774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017503/publication.md
observed 9cb9ee38f96446b9c05d5005a61b52bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.419220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017503/publication.txt
observed d9c825136dd85cdfada1c85d2fa9e4dd...
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.