The Happy Working Day

Recording by Bossa Nova Breakfast Club.

Recording identifiers

ISRC
BGA472417264
CopyrightID (CopyrightChains transaction hash)
0x793f196a413dfabad654e74d7407688ff20cabf102d9668d9b2b6fb3e7be904e
Copyright registration time
2026-06-26T02:21:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8e4a5d71b97eecf8a55f049b741c03fd11856414c0e5032313fc213ebf0c15db

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.