OpenTechnical

OT-2026-000045707

Publication integrity record

Three cup vacuum gripper, three zone face, pump 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-2026-000045707) never changes.

Identity and time

Publication numberOT-2026-000045707 · never reused
Internal UUID01a0ae7d-8f04-76b6-8250-3084473d3497 · 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-2026-000045707
StatusPUBLIC

Content hashes

Canonical textff4ed9de0771dbd9aa7843f374b0c99e222e503b9ba9897eddc336c350b1bfae
Markdown029f6af883c0dad3bb1d4b7ba4adc44550ba47c3048bfbb6d5f7505055836d82
PDF
Publication page5ea51d74ad417b472a754151fdf6ed5a442579014af6f5d6eebb2acd108b1214
Manifeste9906b5ad69a11b568abae58f6cf9b9df04724ea06c4d0354d96fbe37de71a02

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
Signature2ULud+nkeW+rKj3672sMtCOSFEFAUBuJiIcALXslT30H7jOvaSmSl/k+dE0/d7+BhjkoyJueG4rUkaxChCF7CA==
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

2026-09-17T11:09:30.942067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045707
observed 5ea51d74ad417b472a754151fdf6ed5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.921950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045707/manifest.json
observed e9906b5ad69a11b568abae58f6cf9b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.903345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045707/publication.md
observed 029f6af883c0dad3bb1d4b7ba4adc445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:30.884758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045707/publication.txt
observed ff4ed9de0771dbd9aa7843f374b0c99e...
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.