Valsa Lenta No. 4

Recording by Luiz Levy.

Recording identifiers

ISRC
SEAEL0021080
CopyrightID (CopyrightChains transaction hash)
0x460047cfca19fcc420612379ecdb5a77d18240deb22468ea36b1d36675c0d7cf
Copyright registration time
2026-07-07T14:33:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8ae66e6f11b62fb4b131f0c942a73133ffadd13c69286b5410fe213e3b62a455

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.