OpenTechnical

OT-2026-000018390

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000018390) never changes.

Identity and time

Publication numberOT-2026-000018390 · never reused
Internal UUID01a0ae6e-b489-7255-8426-82214e3ddc75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018390
StatusPUBLIC

Content hashes

Canonical textcec0532a12befbd583e6e87ccd4745289a8e0000d968940ee58dfb24866bc9cb
Markdown52608a4c324046f89a6e64dd0533c59b978916186d11a68d9a7a9dc9039009ca
PDF
Publication pagef9096695c441ab89e8ecdfc54b34d271f32cc26f40d37de2b9d383bcb21d6424
Manifeste283c641be2878f3560efe4111f0a3b563910dd57a8e63eb3f77b21d4b22d7dc

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
SignatureoRxid9zYczTnXWNkAoeoRFZTZwjk4svOF1xJyv7RXhT1A/FNayzzw8bbdp/jjhmDr4lLO//fr3rxh0TwgLRQAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:07.910640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018390
observed f9096695c441ab89e8ecdfc54b34d271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.892610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018390/manifest.json
observed e283c641be2878f3560efe4111f0a3b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.873661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018390/publication.md
observed 52608a4c324046f89a6e64dd0533c59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:07.856340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018390/publication.txt
observed cec0532a12befbd583e6e87ccd474528...
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.