Maracatu

Recording by Alceu Valença.

Recording identifiers

ISRC
BRDEP2400022
CopyrightID (CopyrightChains transaction hash)
0x7b96fd54d221d70cbfccf7ef85e86aafd2251387bad3799d16605251e0facbef
Copyright registration time
2026-06-09T16:42:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5e7ca7f37ecea481656f16bc3a8384063311dd7771fa9b89d63b3b8e489c6e54

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.