OpenTechnical

OT-2026-000069837

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069837) never changes.

Identity and time

Publication numberOT-2026-000069837 · never reused
Internal UUID01a0ae91-185f-7793-b7f9-85f390b3e5b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069837
StatusPUBLIC

Content hashes

Canonical text9c6dc57bdcc036fe05fda038c88fb29654b6b6a1e81ee7e607f84f1b5955ff2d
Markdown3208b8526121c291d826031b1272eebc15f09b22329187cd2962ddd939de6206
PDF
Publication pagea78f27fca8d0c442adcc3054d3e185b2eaeb50c78df368256650c853cf562d50
Manifest906e87cbd8fa813e4cc81a198d9f1e34f37ced534b5fccf569bec9e08046b658

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
Signature+lnZMUKNm9RlszxFCM+aEmtKwS2JScDNPQly+Qh8olZsn7fi8O82RsjOrvM8jBAI4qFeYqni3luL1QGhhG+nCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:40.127392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069837
observed a78f27fca8d0c442adcc3054d3e185b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.109936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069837/manifest.json
observed 906e87cbd8fa813e4cc81a198d9f1e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.092743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069837/publication.md
observed 3208b8526121c291d826031b1272eebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.075128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069837/publication.txt
observed 9c6dc57bdcc036fe05fda038c88fb296...
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.