OpenTechnical

OT-2026-000066712

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000066712) never changes.

Identity and time

Publication numberOT-2026-000066712 · never reused
Internal UUID01a0ae8e-ce42-71ce-be7c-b7ec32889141 · 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-2026-000066712
StatusPUBLIC

Content hashes

Canonical textdf23666b830c6519ab73fa73959d6de6a3a411241a921db08f02962c4b94262d
Markdown4e0a589eb93c376b9ecf33acf42d7d235aaffa4adac8e14925553e670f317a1a
PDF
Publication pagefeed4846778cbc2b9c43af93f16389778f852420038f583736b60e7132fcc8c5
Manifestad931e6588cf5646b387a68485b12a2dc999db3ce57ccb96e0b74c201a63e82e

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
SignatureZ6YQeNByIHAcO+LuP19Hw/tNrF/RiLwjJj4yNO82fm9qURVQjVtZQPS+AxeEL4CSG/ejDkHbvi8S3ZlkCmDrBg==
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

2026-09-17T10:33:06.853948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066712
observed feed4846778cbc2b9c43af93f1638977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.834994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066712/manifest.json
observed ad931e6588cf5646b387a68485b12a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.817360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066712/publication.md
observed 4e0a589eb93c376b9ecf33acf42d7d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.799665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066712/publication.txt
observed df23666b830c6519ab73fa73959d6de6...
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.