ピンクのチャック

Recording by Kei Sugawara.

Recording identifiers

ISRC
JPU902403505
CopyrightID (CopyrightChains transaction hash)
0x5582d35ff7cf4a131db955cd2619ef3428e1acbd1d1d9bd7e053f08536961433
Copyright registration time
2026-06-07T14:42:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:bc8a31670490a25225df384418e49ae1feb991300f8ba678d990864537cb340a

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.