OpenTechnical

OT-2026-000045875

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000045875) never changes.

Identity and time

Publication numberOT-2026-000045875 · never reused
Internal UUID01a0ae7d-8f06-7835-b68f-155c57d84292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045875
StatusPUBLIC

Content hashes

Canonical textc6fb4e0e20a05aaf8eaddcfb9337ab6004344bf7e83bbd9867ea13a85e005d33
Markdown3de5074d6ced2dca7df7fbf7f2d44458f97c62f67d0621fec49cc63e2e3f2345
PDF
Publication page5ee1960aa9c18ebc91faab774f114c007fb28f931db0a08da9a3179c4e919969
Manifest48be8df8e6c0e1476152f239799e6cbea8d858139260dd36a237541e089d2595

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
Signature5yMDVxL0LvyQ6t8XHs3FvjKFvMrFN9sfw/hIBUWslSyBQJI5CZRnMbkR/Pm3Q3r+6EZZ6yZYZZPzpKu/+7bdBg==
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

2026-09-17T11:09:45.834661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045875
observed 5ee1960aa9c18ebc91faab774f114c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.815273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045875/manifest.json
observed 48be8df8e6c0e1476152f239799e6cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.794867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045875/publication.md
observed 3de5074d6ced2dca7df7fbf7f2d44458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:45.774101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045875/publication.txt
observed c6fb4e0e20a05aaf8eaddcfb9337ab60...
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.