Perdidos e Achados

Recording by Rafael Calaça.

Recording identifiers

ISRC
BRTRB2408109
CopyrightID (CopyrightChains transaction hash)
0xdc46c915b815430f7ac3d7dbf414d7f9bb6047d4a469b311f683e009285fea69
Copyright registration time
2026-06-10T09:32:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1605806f9d8bd3c8e5d2e30e0a50f90025231cc750095f99dde952348d30bcf0

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.