OpenTechnical

OT-2026-000000510

Publication integrity record

Device and method of coil-less electromagnetic pulse incremental forming for metal sheet

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-2026-000000510) never changes.

Identity and time

Publication numberOT-2026-000000510 · never reused
Internal UUID01a0a673-76a4-7e50-a61d-145070289922 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:00.005345Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000510
StatusPUBLIC

Content hashes

Canonical textf90ee3dfa521569a8728ba94a1b56606eb5bd1a2a774efa33505daa8252b8473
Markdownf020f8b24ca76dc5da82e64ef1734a748ac6570d5e60577a2ea8c7a1642dc64e
PDF
Publication pagef96648e1220836290956490bb83d2382f448c73ebda14ca0d16f04b739a37861
Manifest7f77a4027295a1ab44d7a564be42e23663bfe5a945bd0a59a47bc5dc1fbbead7

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
SignatureTufsIJG+qawvaXD1G1XKB+VH0iXzxXQDVGka7MpHHOMSbZliIrF6GFs2XyD46XvqyaUcMc8CvDCdLmSUWY9HBA==
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

2026-09-15T20:41:31.483766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000510
observed f96648e1220836290956490bb83d2382...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:41:30.487672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000510/manifest.json
observed 7f77a4027295a1ab44d7a564be42e236...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:41:30.041201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000510/publication.txt
observed f90ee3dfa521569a8728ba94a1b56606...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:35.573928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000510
observed f96648e1220836290956490bb83d2382...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:35.545086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000510/manifest.json
observed 7f77a4027295a1ab44d7a564be42e236...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:35.533319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000510/publication.txt
observed f90ee3dfa521569a8728ba94a1b56606...
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