OpenTechnical

OT-2026-000030978

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000030978) never changes.

Identity and time

Publication numberOT-2026-000030978 · never reused
Internal UUID01a0ae74-3fb7-7777-8c28-7b801f33e7f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030978
StatusPUBLIC

Content hashes

Canonical textae6cdcb1f0976370d9010393a52f5621cadfae6553eb726fd1d70acdef953b56
Markdowna712aff6d4c2d891e44f96511dbda5f2818c9539f9bf2c19cab710f6e48dc30f
PDF
Publication page7c85b4403433721e1224141d6b9040d6c27e341865fd50d66b32945cf2a38e83
Manifestd2859015d69d90793a206ae244d46c147c7931b2c0919b7aa83dc1728ca8a127

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
SignatureIf1PLt/g3uQIsF6B1pVoJwPtdMBvpGYKNHeqy7w4kQ0KMhF67lXn9qkzAd+OStBtfGgeCRCs3PgxZO87XK9eBQ==
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

2026-09-17T11:36:59.180712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030978
observed 7c85b4403433721e1224141d6b9040d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.161703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030978/manifest.json
observed d2859015d69d90793a206ae244d46c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.145075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030978/publication.md
observed a712aff6d4c2d891e44f96511dbda5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.126589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030978/publication.txt
observed ae6cdcb1f0976370d9010393a52f5621...
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.