Debutante Waltz

Recording by Gerhard Groitzsch.

Recording identifiers

ISRC
QMGXA1418565
CopyrightID (CopyrightChains transaction hash)
0xd51fea467de0e4be06c818b6cd942ab9223e79c63323660ec6ff1d8e93edc8d8
Copyright registration time
2026-06-21T05:09:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b87963040a1275685d2560c393ae63c13119e92ebf4dc763619554bca0d37f87

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.