Arco-Íris

Recording by Biquini Cavadão.

Recording identifiers

ISRC
BRBQN1600004
CopyrightID (CopyrightChains transaction hash)
0xe2c83c9a4dc29351b45586cee1e69eec3572ed8d743757de840c9a0964dad973
Copyright registration time
2026-06-24T13:43:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:b550938cd0e7e23598ce0ac38493750f21c996367c5d5e1bae74924897d4f3c7

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.