overture

Recording by Ayumi Hamasaki.

Recording identifiers

ISRC
JPB601075207
CopyrightID (CopyrightChains transaction hash)
0xc99408f49a127d4d51e85820c62e70387232ec28de8dda7063bf3213d7c7aa01
Copyright registration time
2026-06-25T18:05:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:1331a94806d651de8e5a3fac1f00b78f3fd72de34e2eb66b08e2bcaa42505f35

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.