Valsa pra leila

Recording by Guinga.

Recording identifiers

ISRC
ITKCT0400036
CopyrightID (CopyrightChains transaction hash)
0x2372bd14718a47fa3e2bb1a4366ea24573d8b22a9d46ae8b54195780aefba5f4
Copyright registration time
2026-07-07T11:40:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5ceaf1be4d63f5b72b976eb7866d47b91e1f126851d4dd3a76ace631c7e0b3d5

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.