Leisurely Time

Recording by Yasuharu Takanashi.

Recording identifiers

ISRC
JPI102400413
CopyrightID (CopyrightChains transaction hash)
0x01a7cd6eb6a002cd9ed252771993aa1b537c592f5c7c1b04fa4374cc4d88b9ca
Copyright registration time
2026-07-06T18:42:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fb43ea78076925f630507b55f6a8fe52df06c0eeb69adf5afe5a6d77b8eb9092

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.