OpenTechnical

OT-2026-000014272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000014272) never changes.

Identity and time

Publication numberOT-2026-000014272 · never reused
Internal UUID01a0ae6d-b279-79d6-952b-5a0d57305711 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014272
StatusPUBLIC

Content hashes

Canonical text0352d6ac0672b0f6bff7a4d28d84f5a0e273685f64f618f93ce5889fae28deb4
Markdown2266d10ad8a3b3033597e716d0303172492ef009e66006139b837f3845fb34f9
PDF
Publication pageb056c7fa55d992fbe0444cd4029e449f87c2daeeeafd1706e87ff25ecbc6a78a
Manifestde62dfbf7c6db7cd447970d4ac00fa1f900ad4995c47290d44bef412ba3d5ff0

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
Signaturejr7kX+9LeMDvgfukrS0cWuVtT1U7y8EEhQ0YqVtIxlL8dBf11CCsxfjTZRPL8fOfM4jhbPNfBFiCo+H6r8iCBQ==
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

2026-09-17T12:07:29.012136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014272
observed b056c7fa55d992fbe0444cd4029e449f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.992852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014272/manifest.json
observed de62dfbf7c6db7cd447970d4ac00fa1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.972784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014272/publication.md
observed 2266d10ad8a3b3033597e716d0303172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.950923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014272/publication.txt
observed 0352d6ac0672b0f6bff7a4d28d84f5a0...
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.