Lacrimosa

Recording by Juan Luis Guerra 4.40.

Recording identifiers

ISRC
USJ3V1861896
CopyrightID (CopyrightChains transaction hash)
0x49b4dacfd28e969916a0b82d83fc933e28eb8a47e6dcab41fc9496fa7cf3c416
Copyright registration time
2026-06-07T10:55:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:a6a6cea8cbbe4377352c1ebd9d81a41087643fc7a82a5911e42c045a3cf17e34

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.