Ikigai

Recording by Katsuragi Taisuke.

Recording identifiers

ISRC
QZFZ62254236
CopyrightID (CopyrightChains transaction hash)
0xc86fe2c2ce106845db4da61809eb3581432ebbff2e18a5afea85e9f03e01b768
Copyright registration time
2026-06-06T21:25:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:23a5009327cf2793dcf2d9fdf04ce6d9ad5ff95d72ed6434b9b7caff887cca3b

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.