Canção Sem Fim

Recording by Dori Caymmi.

Recording identifiers

ISRC
BRRPL1600009
CopyrightID (CopyrightChains transaction hash)
0xba0deb3ceec068656b2ce8d5195ffa9c0a9870530f10f433240ade7149e7da95
Copyright registration time
2026-07-07T10:46:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9ec3be13aab2107ffb39ac4939e7ad5bdf17f73ed606a624bcebd635c1e13f73

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.