Ana Cristina

Recording by José Nunes.

Recording identifiers

ISRC
PTCN11200183
CopyrightID (CopyrightChains transaction hash)
0xbd1f4c042c6de0a2323dcb8b0ac56ffd38ccc0e1a2f56b4b2c36c53e0a31f064
Copyright registration time
2026-07-07T09:15:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:15a52591d6c8d3b8bb989a279dcf6717c8fb4960b49db7471520f8300a37103a

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.