OpenTechnical

OT-2026-000067428

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000067428) never changes.

Identity and time

Publication numberOT-2026-000067428 · never reused
Internal UUID01a0ae8f-6bd9-7422-94e0-20416d1d9b52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067428
StatusPUBLIC

Content hashes

Canonical text5b1aaf9740f89d67373db19ffcb25719b464eed99ab87270c299c45cf51163eb
Markdown08ef5892d83f37e40e3ad3b12d15915fdf42dfa9d472166d5d071bc8da662b2c
PDF
Publication pageabba14c855406ccc0c1bc58c1d47f371ab4bb4ae92c7bcec11b020623c9b9294
Manifestbb437117aea5bedcaadf928424a38d5812b13c0c2d88f9667bc71c5608846b32

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
SignatureIPHLrFHZplBTmhrKmMq7qazVsltbtNrH1UwV7kEi2HkHAwR735z2sc2Z6OTJpjU090jf7FB0FtWnT6um/n1zAg==
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

2026-09-17T10:31:37.679988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067428
observed abba14c855406ccc0c1bc58c1d47f371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.661421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067428/manifest.json
observed bb437117aea5bedcaadf928424a38d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.643972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067428/publication.md
observed 08ef5892d83f37e40e3ad3b12d15915f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.627205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067428/publication.txt
observed 5b1aaf9740f89d67373db19ffcb25719...
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.