OpenTechnical

OT-2026-000017428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017428) never changes.

Identity and time

Publication numberOT-2026-000017428 · never reused
Internal UUID01a0ae6e-76c9-77b7-ad19-9a0381ecf8e5 · 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-2026-000017428
StatusPUBLIC

Content hashes

Canonical text6e4f92e1d6be49d0e93fa5b456508ce41d2999eef11395a26c454328a764b6da
Markdownf4e457a8571875dbbb7cb6166560640ea0986a7766823a2c86b565097d0059a0
PDF
Publication pagef12e6cdd30e5135861f4c7cb72b3816a1e7772bc0c323dfc55376e566ef097b9
Manifestc1e271f295f66b641346ecb388c9422849090560fff2145f1e4e0f476a572f69

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
SignaturewhiBEZ5UMFMOGFxSnZLx1qxD8Caa4D/q59u+jKuHrH5rbiQRBVxzgXmN2f30XR07oeyyHK5+NKvCXPylHYqmCw==
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

2026-09-17T12:02:33.566444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017428
observed f12e6cdd30e5135861f4c7cb72b3816a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.549753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017428/manifest.json
observed c1e271f295f66b641346ecb388c94228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.532914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017428/publication.md
observed f4e457a8571875dbbb7cb6166560640e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:33.514429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017428/publication.txt
observed 6e4f92e1d6be49d0e93fa5b456508ce4...
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.