男の背中

Recording by 川中美幸.

Recording identifiers

ISRC
JPTE01608950
CopyrightID (CopyrightChains transaction hash)
0xc2246e732227ecf93489a6f77d54da8e6f3641d2493f86894d4f16497f88c179
Copyright registration time
2026-07-22T17:27:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T17:48:40Z
Bitcoin block
959159
Canonical record hash
sha256:c00c8f597d6bbd618afb1ab3b8aeb55ba1e6f88063ba6672a1406a08907ff4a5

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.