Canção Calunga

Recording by Déa Trancoso.

Recording identifiers

ISRC
BRIHD2300006
CopyrightID (CopyrightChains transaction hash)
0x3e9ca9fc696a4025234dca5b6c6efe396820945563b6acf8e47078b9bdb7f225
Copyright registration time
2026-07-31T07:21:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:1fe936c16000310de63f8443b5c7259213be2e0082387432f15f91435c2caea5

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.