OpenTechnical

OT-2026-000007503

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000007503) never changes.

Identity and time

Publication numberOT-2026-000007503 · never reused
Internal UUID01a0ae62-4df5-7297-9cc4-4dbbfb821ed2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007503
StatusPUBLIC

Content hashes

Canonical text44a45e22643fc64c554ea70a018c8612280fe5d221cdd57e1ed2233a980a3c14
Markdowna36f5169fa7db4516a53fc73aa7422425b42786ae27d649d26ea4f9276cbf204
PDF
Publication page329fbc145f64e66940ad4995cb6b6bc19fb6ae02ee9c85b9014e28829088f8a0
Manifeste0fee363c982af86633812783d9198f6aaed1f9a49d39b762f95da0f4622a0fc

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
SignatureeofgfhdzePspeRFit2DaSVFFoWL3EqsnMTSSbZbyR01uKL6bFJ8LPTfcw1e1gDaOcEP5PK20N4QXon4SNvjuAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:20.565384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007503
observed 329fbc145f64e66940ad4995cb6b6bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.547416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007503/manifest.json
observed e0fee363c982af86633812783d9198f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.529011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007503/publication.md
observed a36f5169fa7db4516a53fc73aa742242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.511053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007503/publication.txt
observed 44a45e22643fc64c554ea70a018c8612...
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.