OpenTechnical

OT-2026-000085188

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000085188) never changes.

Identity and time

Publication numberOT-2026-000085188 · never reused
Internal UUID01a0ae99-43ba-7a1d-96c5-3c7e8c055783 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085188
StatusPUBLIC

Content hashes

Canonical text6709eec69c533cc2875a8ec03e2a0cfc52946328ce1d77e8fe70790396573182
Markdown8e265d4001384dd41855602cfe712119734e745238c847c9bbf73c496b792a40
PDF
Publication page799395b0cba5de2b77fa41195782738ebca1cc4f121a335a6ce5311df53eb7b7
Manifestb1f4db87c7f212bbc8a19b0ed70e2927dcccf23bf898837af6b1cc0b9b4ffb4d

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
Signature74fgenZZRrSLE0Vr2ShWCYHdWV75dYnsKX8Dy3pINXoQ/WxM20m/gCQLa3VzvyZJBE2+MqunlNscvkfm9sogBg==
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

2026-09-17T09:55:16.476910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085188
observed 799395b0cba5de2b77fa41195782738e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.460459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085188/manifest.json
observed b1f4db87c7f212bbc8a19b0ed70e2927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.442176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085188/publication.md
observed 8e265d4001384dd41855602cfe712119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.423213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085188/publication.txt
observed 6709eec69c533cc2875a8ec03e2a0cfc...
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.