OpenTechnical

OT-2026-000011928

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000011928) never changes.

Identity and time

Publication numberOT-2026-000011928 · never reused
Internal UUID01a0ae6d-1942-7e5c-924c-3d5b277ed457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011928
StatusPUBLIC

Content hashes

Canonical text4da1609cda0595776f9695d505f7e76d6c3f675c61811189ea1e2bd5bfe657e6
Markdowne51cd0931e7055f7f64daf94cd24250e672a29e897892f313e92b67989353f22
PDF
Publication page780307656190ccae1c7857bc842f9229a4d7ae13227a11732a8f3196e9cb5966
Manifest5868460da23074517eaed72bd1c8bf021219cd259a05bb4c1cbfa8edbc4788fa

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
SignatureSS5A5FxexAzkAPbv8D/uH4klbadAQWdBudtCOoUOi1ZKW+NNXhGXYqpsJNVMcOFcV+61Ds1jTjO523lzsEFfBQ==
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

2026-09-17T12:12:41.819187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011928
observed 780307656190ccae1c7857bc842f9229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.797908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011928/manifest.json
observed 5868460da23074517eaed72bd1c8bf02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.776814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011928/publication.md
observed e51cd0931e7055f7f64daf94cd24250e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:41.758970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011928/publication.txt
observed 4da1609cda0595776f9695d505f7e76d...
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.