Our Favorite Methode

Recording by Itako.

Recording identifiers

ISRC
QM4TW2010311
CopyrightID (CopyrightChains transaction hash)
0xaa80c50dc8559f93441c9df93e5bce8c7a63d9e06095b9dfa6146f55d400f315
Copyright registration time
2026-08-01T01:36:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:afd9026d4cfc411fd1e24b64b89f258fbb71e8e2f0d51cd9b84bc3db988fccc7

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.