OpenTechnical

OT-2026-000051059

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000051059) never changes.

Identity and time

Publication numberOT-2026-000051059 · never reused
Internal UUID01a0ae82-c7b5-7db8-9a8d-40a1e2eb264c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051059
StatusPUBLIC

Content hashes

Canonical text54219490ca129161176c448c2beabea64c9219c778b08d6296029d23a2a921dc
Markdown54a9c1a6052583e64666bf0dd869886e154aec99f4ed12b2fa96dd5845c154a0
PDF
Publication page93b1d00d65f28afbba469d8cbf2a56fc37629b03668e81ee5f2bc17f114bd727
Manifestca92cb1512c34f40023b2526011e2a78803b3e9cc08133c393876aea85de1b82

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
SignatureDQdMHtcZcD1ftmkY4I3Ghs+CSrhjFFgM7eBspSiWr9M6GYCZRY7X6GWYM/ABfO95VxniAh0sWNI9g59+49zYAw==
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

2026-09-17T11:00:58.721709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051059
observed 93b1d00d65f28afbba469d8cbf2a56fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.700705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051059/manifest.json
observed ca92cb1512c34f40023b2526011e2a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.683413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051059/publication.md
observed 54a9c1a6052583e64666bf0dd869886e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.666705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051059/publication.txt
observed 54219490ca129161176c448c2beabea6...
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.