Cartas - Ao Vivo

Recording by Marcos & Belutti.

Recording identifiers

ISRC
BR3JL1100038
CopyrightID (CopyrightChains transaction hash)
0xd754a59652cb165a7e8d57740e86295571bc3f4d8458cce2c6330d7aaeb72511
Copyright registration time
2026-06-21T02:51:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:28d90c85d20145406d73b8cae9cd39c9599af968df4deacb4a04ff30022aace9

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.