OpenTechnical

OT-2026-000003203

Publication integrity record

Wafer handling tool with vacuum pickup

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-2026-000003203) never changes.

Identity and time

Publication numberOT-2026-000003203 · never reused
Internal UUID01a0a69d-3b6b-7227-842d-3f17c38ce395 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:48:37.356088Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003203
StatusPUBLIC

Content hashes

Canonical text3d002143541e321eb095f90b8e01f9911ffdb8ad444811ee3629232435b1d48c
Markdownf4bfcb892c499a8918f47e249dcd823894c842711ad8bf505c5161dac51f6753
PDF
Publication page5c390337772a27893dc464c5530f5bed6749bc27e71a12d41c9391df001558b0
Manifest65c7ce8ce28a634ce1489d1edf83cfda8ef7503fbc81a93459d89ae07e8d6c80

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
SignatureGuIDp2ItZdRnFoiPNgD1yFGpCyI6VJv1WOoDwooO7e3VXEM5kZvAYkHjFEl3tVjMSUPMpyHNoviiHF0dBw9TBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:07:03Z
batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof
root d42f3e627490c26ffd144bf37543fecf...

Independent retrieval

2026-09-30T04:23:31.745548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003203
observed 5c390337772a27893dc464c5530f5bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-30T04:23:31.732848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003203/manifest.json
observed 65c7ce8ce28a634ce1489d1edf83cfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-30T04:23:31.718972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003203/publication.md
observed f4bfcb892c499a8918f47e249dcd8238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-30T04:23:31.610589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003203/publication.txt
observed 3d002143541e321eb095f90b8e01f991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:50:02.872042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003203
observed 5c390337772a27893dc464c5530f5bed...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:02.842308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003203/manifest.json
observed 65c7ce8ce28a634ce1489d1edf83cfda...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:02.829180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003203/publication.txt
observed 3d002143541e321eb095f90b8e01f991...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent