OpenTechnical

OT-2026-000097420

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000097420) never changes.

Identity and time

Publication numberOT-2026-000097420 · never reused
Internal UUID01a0aea1-55b2-7678-b995-cb9e2bfc982a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097420
StatusPUBLIC

Content hashes

Canonical textf0cf2ce522ed2a895562779ef42d57ecc8b9e87fd83de7cea211d4e484a54734
Markdown2cdeb77fa0c4c1c102182b293346fe3d56a791f0aa69dcb27d1023332c02ae84
PDF
Publication page41beb638d72324edb8464f27b865de55f8fd9ec04b35f97d399d30e44f597f9c
Manifest5be1d0aa7c0dfbdd40688ffca47fd0fa04548faa97811549b89727efa1d9fe2c

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
SignatureAr601X59bP1JSCvZrfQZ8LpYkNc/UdHZdAxJvayCFrxGwe/Jhuoihm6Vgbl9sSSSYPwSCtN68cwaBkh5RIVFBA==
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

2026-09-17T09:33:16.376405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097420
observed 41beb638d72324edb8464f27b865de55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.357908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097420/manifest.json
observed 5be1d0aa7c0dfbdd40688ffca47fd0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.339372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097420/publication.md
observed 2cdeb77fa0c4c1c102182b293346fe3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.321831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097420/publication.txt
observed f0cf2ce522ed2a895562779ef42d57ec...
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.