niño lullaby

Recording by Quarto Vazio.

Recording identifiers

ISRC
USDY42399880
CopyrightID (CopyrightChains transaction hash)
0x0b6094acd464a7ce6c8ea3dcea1b9c2c8650569e00c6cfbfdcdc5742f41c2351
Copyright registration time
2026-06-22T11:57:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:784852c988827ff8edf428112755fde7327eddb1b374a3a3081298d2f6121138

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.