OpenTechnical

OT-2026-000046163

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000046163) never changes.

Identity and time

Publication numberOT-2026-000046163 · never reused
Internal UUID01a0ae7e-032b-7a4b-a9e8-2242fbc986a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046163
StatusPUBLIC

Content hashes

Canonical text1b8c21df07509713f4cddc9f07bcd9ea29bb0291567519d74777aae1f85340fb
Markdownc23d4a535af5435ae79c7af7b3ea2deb55c7e51ab6844ed0bdb8c2a08305c6bb
PDF
Publication page2ec2af4ac53d60cf707f8ea442f0bdc7d71decbda7c7d0f5e247085986df7f46
Manifest01eae6818ea28cb63d3cd6bdec4896f6044ed1f0bae787ab4dcfed703690ca34

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
Signature6KDgM8e0IwQIk3u2sSB+MqOxU+sS1sP6zDGxJdhxLV8n2YnHBdF1D4ME/SN9m11mPKYAqK8YkPLi13hU2of0Dw==
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

2026-09-17T11:09:09.898336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046163
observed 2ec2af4ac53d60cf707f8ea442f0bdc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.874672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046163/manifest.json
observed 01eae6818ea28cb63d3cd6bdec4896f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.857682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046163/publication.md
observed c23d4a535af5435ae79c7af7b3ea2deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:09.839723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046163/publication.txt
observed 1b8c21df07509713f4cddc9f07bcd9ea...
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.