Waltz in E

Recording by Happy Baby.

Recording identifiers

ISRC
DED390014132
CopyrightID (CopyrightChains transaction hash)
0xe3d3c709f29606880ee949f081c0507b0bb44e62a9abefc2338427f36f946d0e
Copyright registration time
2026-06-21T09:51:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:93e5ab5eada3c77f78ec02e05537aaeba2c7849a905187f8a2d816ba9ec1b9fe

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.