OpenTechnical

OT-2026-000097685

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000097685) never changes.

Identity and time

Publication numberOT-2026-000097685 · never reused
Internal UUID01a0aea1-92f4-7c5b-8c5e-e7e48d704548 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097685
StatusPUBLIC

Content hashes

Canonical textc5448785601d33b863b00cb0533ecbf2fa013160278a7016f3d2e98346f96ee1
Markdown6a9cfb2def54d7a24fffebc57403294af2a558ed85dfed94709ee3087cfddeeb
PDF
Publication page89d052244a1c7451886088a98b0391e72013b3cdb76acb3c5ee4a7c0799778d8
Manifest4c81d67a29cf35b18fe76805bb5ff11f9dddee5a8a041a91956394dd5b9a4952

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
Signature2FxsJojdL9m9Euy5uGeviZiIwN7snpm8pmQT8SD4EEpaaHPFqL2YNPI3xi9hfCBEM74kS3AtYZtwK/5vfIR8Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:42.537327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097685
observed 89d052244a1c7451886088a98b0391e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.520139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097685/manifest.json
observed 4c81d67a29cf35b18fe76805bb5ff11f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.501858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097685/publication.md
observed 6a9cfb2def54d7a24fffebc57403294a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:42.485159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097685/publication.txt
observed c5448785601d33b863b00cb0533ecbf2...
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.