Werther / Act 3: "Werther est de retour"

Recording by Jules Massenet.

Recording identifiers

ISRC
NLA507812227
CopyrightID (CopyrightChains transaction hash)
0x68c8741673ae7b89d21a33c33f7d546041f0449d8a05643abe0d4cae93059e2c
Copyright registration time
2026-07-07T16:39:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3e83bf28aaa988045137d31caa6fcf31b07e3163db74b92bba72c45b40c8da7f

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.