No. 1, Canción de cuna

Recording by Leo Brouwer.

Recording identifiers

ISRC
HKI190240215
CopyrightID (CopyrightChains transaction hash)
0x98bf2392f248d4a0cc5d4924672fd88289c086553aa3ce3bb025e32c86128815

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:ceee53c7e0fa2e6130ab0feb137f70916788a6750034ee35a6021289561b0a55

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.