Family Theme Waltz

Recording by Sondre Lerche.

Recording identifiers

ISRC
USHR10723530
CopyrightID (CopyrightChains transaction hash)
0x369911d7be9d56d624c8df504a7d6d452c2221ca0c90fcf38fe0eb2a3e75d901
Copyright registration time
2026-06-09T15:58:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cfe6e92530e4e3169fac6984f7b38354a87e7f0382aaf813e0da574f45004ae1

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.