OpenTechnical

OT-2026-000000494

Publication integrity record

Shape profile measurement device, shape profile measurement method, and semiconductor device manufacturing method including the same

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-2026-000000494) never changes.

Identity and time

Publication numberOT-2026-000000494 · never reused
Internal UUID01a0a673-6f75-761d-9a86-9bebc2894aa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:58.166316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000494
StatusPUBLIC

Content hashes

Canonical text0126c3a681d35a3d0f61cdcadbc2eccb517ea88164f0a92c9ed9f8f23847ba96
Markdown0f7b5469c6efa7b67bf7f8e9f53e5ddc434c3b6b43951d135b1c704b391e6bf3
PDF
Publication page57771c6af1d122b876e67979d867ae5c07cc3dbfbef8b62404ab7ab5cffee3e2
Manifestfbda48190f406de7e78c4ece9ba549459fa1b4561b5a5851aec254ee0246910e

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
SignatureHQGbAJbOAQO+g0+ieyucWpUZI1+X2yihJT8iI/AQKvEPuu4UByL1Pj5gihThaAeOaIBc3kqNJgIOr1HuCjTMDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-16T04:43:49.796326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000494
observed 57771c6af1d122b876e67979d867ae5c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:49.270076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000494/manifest.json
observed fbda48190f406de7e78c4ece9ba54945...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:48.826367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000494/publication.md
observed 0f7b5469c6efa7b67bf7f8e9f53e5ddc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:43:48.046151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000494/publication.txt
observed 0126c3a681d35a3d0f61cdcadbc2eccb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:37.322845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000494
observed 57771c6af1d122b876e67979d867ae5c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:37.291954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000494/manifest.json
observed fbda48190f406de7e78c4ece9ba54945...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:37.280200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000494/publication.txt
observed 0126c3a681d35a3d0f61cdcadbc2eccb...
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