カノン

Recording by 竹内郁子.

Recording identifiers

ISRC
JPTO09415990
CopyrightID (CopyrightChains transaction hash)
0x39f2d1a62706ca06ba18e42f259597b8f79790e9176dca29c3ec194cd3db7c77
Copyright registration time
2026-07-08T01:03:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ddabdee5f2ded5769504495fc391d11e5b81b341087482ac64927b7e3abed3d2

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.