Canção de Amigo

Recording by Zélia Duncan.

Recording identifiers

ISRC
BRDU21900003
CopyrightID (CopyrightChains transaction hash)
0x99374e502a82ec8b4f6311189a788091cacd06bcc2b46edc3c3029424b8e9993
Copyright registration time
2026-06-20T23:12:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b22ad34064ea2cb45809268d83b0da53de414e9fd888e3f162e642b9690d8471

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.