素晴らしき日々を

Recording by 川崎鷹也.

Recording identifiers

ISRC
JPWP02570195
CopyrightID (CopyrightChains transaction hash)
0x1ffc79c3ff09b5d4269a2f5f561855b18c4e51aa3e25a1fd560abb6d9518e5cf
Copyright registration time
2026-06-06T15:14:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:10d647f187540c663ab46bab622407ab19aa604c72697a8fa61efbfa9a257712

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.