OpenTechnical

OT-2026-000066672

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000066672) never changes.

Identity and time

Publication numberOT-2026-000066672 · never reused
Internal UUID01a0ae8e-ce42-721d-87bc-b3d1bf5fa12e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066672
StatusPUBLIC

Content hashes

Canonical textad6a0e225f0142f177fc89a5fdef2ad4ae2fcc8040038bd892b30dd6315d3cce
Markdown00cdb6b23a0a2d70a2a1b4ecc70d4232d20a50c07b2878e21e2c5d9cb1ee8c03
PDF
Publication pagec39b22fdf3b2a162bd4165251c12637ba205aa46578562c25b65c3ac879156b0
Manifestd39ca6eabece3b62f0781cad73641a6ef25a28a7fa60a76bac249ff3305311c6

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
Signature9L+cr/jcsDYiTowA0edT06inxMdkcckdSaXM8Eav872HVx7bNv+SzVOuMty8k0YrN6+1+vOvmS0Kkl8sHxXLAQ==
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

2026-09-17T10:33:03.763415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066672
observed c39b22fdf3b2a162bd4165251c12637b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.746416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066672/manifest.json
observed d39ca6eabece3b62f0781cad73641a6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.728091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066672/publication.md
observed 00cdb6b23a0a2d70a2a1b4ecc70d4232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.710035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066672/publication.txt
observed ad6a0e225f0142f177fc89a5fdef2ad4...
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.