OpenTechnical

OT-2026-000017496

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000017496) never changes.

Identity and time

Publication numberOT-2026-000017496 · never reused
Internal UUID01a0ae6e-76ca-798f-9b5d-e95bf5619ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017496
StatusPUBLIC

Content hashes

Canonical textf970e8e42fbf840349b47fb1ead95153f55ceaa3ed85b162654142538888e957
Markdownf8ad385d82e2302793355b1c00081bed5c30240a50d8646eb0faf4f55fe5f45a
PDF
Publication page093e36fa6fe1c9721b50a76e814716df3d549a4de437a68e004363a1bbf3416a
Manifestddbc60dc4fd29d11e076074872e67cf0dc732b55cb0ebf8e2f841f32712df108

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
SignatureRtWtSBhku7Rk9pksQDJysNG2GIsQR4y8wAC7wrMT3Vt4AjHNmzsht9t33oGTSasQfJX7wjSiE+paTkRsLowGDw==
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

2026-09-17T12:02:38.925400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017496
observed 093e36fa6fe1c9721b50a76e814716df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.909123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017496/manifest.json
observed ddbc60dc4fd29d11e076074872e67cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.891727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017496/publication.md
observed f8ad385d82e2302793355b1c00081bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:38.872228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017496/publication.txt
observed f970e8e42fbf840349b47fb1ead95153...
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.