Day by day

Recording by Hiromi.

Recording identifiers

ISRC
JPPO02300039
CopyrightID (CopyrightChains transaction hash)
0x118473e9906287df66984de4f8acc0a2ca384aba4be8c3bce561003ee1d7fc13
Copyright registration time
2026-06-06T22:14:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:dccd88e329d61031a8a6e47ec4dc202b667c4501eb6522efd8d1c0c73ea46b2f

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.