Serenata para Cordas

Recording by Alberto Nepomuceno.

Recording identifiers

ISRC
PTRO11700001
CopyrightID (CopyrightChains transaction hash)
0x79f29c02ada9702f122c9729ac33407f95231b96568bb4ea3ff3ddee828c2c85
Copyright registration time
2026-07-07T12:21:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9be522f2be990ac66a30e4bdc44f5a5349a9127448fd0a171bb04462a96f2a5a

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.