OpenTechnical

OT-2026-000009566

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000009566) never changes.

Identity and time

Publication numberOT-2026-000009566 · never reused
Internal UUID01a0ae6b-7563-76ac-99da-b18c7ea882f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009566
StatusPUBLIC

Content hashes

Canonical textcb7b998a1e62b39bce6b9f44af73c926725e87bd05d4668804810b154cefcf6c
Markdown8a1ba0eb95d2051f2da31f1f0299eca8b422c0afa21ca74c24a44ccc7b6aecbb
PDF
Publication page896dd89cae3a7494abf3d3dc65cb5304d5dc3f3b5641571d026d0726c5e2347d
Manifest5ec6d58b6f66d49e42250423da1c3621a0c29b22ed2218bc3ce6587379ffb1ca

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
SignatureOPK/kb4FT2qc4isChhdUBfxBC+ZjFpmf7jTAGPnzzPZ6FkLJiua895xNdzVzMAIhpfAktc/jdHbBmRGa1wtbCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:59.949846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009566
observed 896dd89cae3a7494abf3d3dc65cb5304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:59.929956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009566/manifest.json
observed 5ec6d58b6f66d49e42250423da1c3621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:59.911148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009566/publication.md
observed 8a1ba0eb95d2051f2da31f1f0299eca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:59.890636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009566/publication.txt
observed cb7b998a1e62b39bce6b9f44af73c926...
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.