No More Sad Songs

Recording by Amber Liu.

Recording identifiers

ISRC
USUYG1471147
CopyrightID (CopyrightChains transaction hash)
0xa8d478966366407318769e4c58513b4532e87898f82ec933c150a0d74c2cd781
Copyright registration time
2026-06-09T18:22:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2cda12d1d3121d481483aaabd41b2c8845d3bb88a8e85799d9ada568d279468b

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.