Mayonaka no Collect Call

Recording by Shizuka Kudo.

Recording identifiers

ISRC
JPPC08900790
CopyrightID (CopyrightChains transaction hash)
0x9016c137b913d84a94b90dfce7830856d1d8a6944febb39ddc356b6f380a3ffb
Copyright registration time
2026-07-07T15:13:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d8e1a5ba3b4d4707e8a2204177c775a6375bc4ff308a96e85b71ede39af6c662

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.