Kalu

Recording by Gal Costa.

Recording identifiers

ISRC
BRESM0300447
CopyrightID (CopyrightChains transaction hash)
0x36210c2d1c32f7269c3a1bdfad1bcf5dc19d1227695d00d3e283406dd3f018d6
Copyright registration time
2026-06-25T05:25:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:997a490a86e16bdd9b48a744ffd314a2af17542c01c9092c85f15ed34b2a9ae9

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.