Regra Três / Tarde Em Itapoã / Samba da Volta - Ao Vivo

Recording by MPB4.

Recording identifiers

ISRC
BRRGE0000030
CopyrightID (CopyrightChains transaction hash)
0x2ce64642bd6e41bb20f74971fbb333b7830d552da95b1b3878d71bc9752e023c
Copyright registration time
2026-07-30T01:07:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:9c01132459ae0cc5778a2eea76995bb0ce46dba7f974b1eec9213b1f5e4cba8c

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.