OpenTechnical

OT-2026-000002257

Publication integrity record

Aligning apparatus for hairpin type stator coil

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-2026-000002257) never changes.

Identity and time

Publication numberOT-2026-000002257 · never reused
Internal UUID01a0a67b-85e2-7e86-ac9d-5448d40c5805 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:48.195067Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002257
StatusPUBLIC

Content hashes

Canonical text72797c1c45fa9325e878639cb47173b010cddc50572eeaedb47b5a05d3bd24e1
Markdown6a6e9ccd514271f49360b7540460cb2dfa3527e2842f4596d79a29a5fafac2db
PDF
Publication pagea9ded95f2885d2e3ae150ee93fa1c8dd6f2a935d3d418b1137747c8c034d90de
Manifesta9f6ee64ca422fbb4ba0c10028a491a562c32429711323ac2314aac4e2998573

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
SignatureRtNtFhdJFkXcXS4vSBIAhhAL9oK839QfLFyDH1+41riYlnmsGNkksHdwYftkjgxpHwRWCZzPkn1dnarQg0u3BA==
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

2026-09-15T19:40:35.287348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002257
observed a9ded95f2885d2e3ae150ee93fa1c8dd...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:35.260418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002257/manifest.json
observed a9f6ee64ca422fbb4ba0c10028a491a5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:35.247432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002257/publication.txt
observed 72797c1c45fa9325e878639cb47173b0...
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