OpenTechnical

OT-2026-000045259

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045259) never changes.

Identity and time

Publication numberOT-2026-000045259 · never reused
Internal UUID01a0ae7c-f76a-7d1f-a34d-06325afbd642 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045259
StatusPUBLIC

Content hashes

Canonical text29d271582cec307f712cf3e5c3c48c55a9d633a4dd33496a4a994e78492674e7
Markdown1af9e05fe94578e50424be109b7fb69e109056da829cb608e4c00b8d4aecefdc
PDF
Publication page048aa91bec2cb3971531d0b6b74f526429464a300e526a033f264b5d147a2c5d
Manifest9b96a5c00d67ef3df3707468e5ca82be9068bdcb45f5a1aa5c6ba66a8a6b0b8d

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
SignatureMNQnEF/T4lEfdm8xoNW2DWol96wgMgva7hkQ0YCRLwHiGGa56nE/apq6JHmiDZqh1OLXeKaxmIMx64HthCZ9Dg==
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

2026-09-17T11:10:27.964243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045259
observed 048aa91bec2cb3971531d0b6b74f5264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.945763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045259/manifest.json
observed 9b96a5c00d67ef3df3707468e5ca82be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.922556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045259/publication.md
observed 1af9e05fe94578e50424be109b7fb69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.904352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045259/publication.txt
observed 29d271582cec307f712cf3e5c3c48c55...
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.