Les Misérables: Der Doppelte Schwur

Recording by Norbert Lamla.

Recording identifiers

ISRC
DEF068807910
CopyrightID (CopyrightChains transaction hash)
0xf4e69dfbe6b8ad7e7450b17af69db5a37c195bec8d3210f6d02bb81dba3898f0
Copyright registration time
2026-07-06T06:53:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e90ca941e2886ee37dba070d1022788a9a744b6cb076241b800a243516b791c5

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.