OpenTechnical

OT-2026-000002237

Publication integrity record

Jigs and methods of teaching substrate handling in semiconductor processing systems using jigs

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-2026-000002237) never changes.

Identity and time

Publication numberOT-2026-000002237 · never reused
Internal UUID01a0a67b-6549-732d-af5a-4d893f759346 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:39.849774Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002237
StatusPUBLIC

Content hashes

Canonical textdd6346dc01594af61696e26560ae53d674873e3c1bd1c3200ba85123a2cd7735
Markdowneef4b2ebd9435e563b5c73f911712cbe6a3f07136a3b78700d6f7af70f4584ee
PDF
Publication pagec0602d37b7a672f08f8b5910d1b53c9b46cc7386c6fdc297d6a39e2fc58fe2d7
Manifest43999bf6397dc2c66402cdc435bcc04a1ebad61b2a19cc6f7cfd3dda5ad57680

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
Signature8kqXJfBd62KITwTOY67r6OJn0XxVO2RYZFm1EO5HDLCAIztA3Sx3Qy50lGHXWtuN8adFGj0BuNEroBmaBllSDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:50:10.169152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002237
observed c0602d37b7a672f08f8b5910d1b53c9b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:10.141329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002237/manifest.json
observed 43999bf6397dc2c66402cdc435bcc04a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:10.129541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002237/publication.txt
observed dd6346dc01594af61696e26560ae53d6...
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