L'Harmonie des Anges, Op. 100, No. 21

Recording by Friedrich Burgmüller.

Recording identifiers

ISRC
USE830991400
CopyrightID (CopyrightChains transaction hash)
0x7774077b07c66f6bc03277f3109fa6cfb39ef54f96110173150ccaae8bc0764e
Copyright registration time
2026-07-06T03:51:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:0c0567614deafa74419a68dad89fc780d879a569ca8c10ce9cd4b1df04fb9087

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.