OpenTechnical

OT-2026-000067424

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000067424) never changes.

Identity and time

Publication numberOT-2026-000067424 · never reused
Internal UUID01a0ae8f-6bd9-7212-8b23-ebcbb8155e6b · 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-2026-000067424
StatusPUBLIC

Content hashes

Canonical textf7cf6f13d52e09e97939ee01fbc2403dd1e14ae4caefc1c609ae8dd69314efe0
Markdownc0843623844a5099dbabd588b08a880ac4f906ce167b67bbb42868b50f7ff405
PDF
Publication pagec524f9741e502e01b5596e56880f5cd77de307c1a4bed83fdc8c6546505f6c42
Manifest67b470aa04be44f9d2de392c8089d595f92a81019ffe711f121dd0233fc8e6ac

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
SignatureiHOiMLR8sjOd5vRCGo18sqgPwaI4J0rGse2NnSoOSCZCkbpgWQlnKdvJLYjpPKX2LxUugPg50eyA0wFTNdkADA==
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

2026-09-17T10:31:37.398145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067424
observed c524f9741e502e01b5596e56880f5cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.380685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067424/manifest.json
observed 67b470aa04be44f9d2de392c8089d595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.361958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067424/publication.md
observed c0843623844a5099dbabd588b08a880a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.343706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067424/publication.txt
observed f7cf6f13d52e09e97939ee01fbc2403d...
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.