Pelgrimskoor uit "Tannhäuser"

Recording by Richard Wagner.

Recording identifiers

ISRC
NLC350133811
CopyrightID (CopyrightChains transaction hash)
0x06b1ffb2bd5d56d1cd9f82b64d88b61756e52ac8a75fb7685e1432e190725cef
Copyright registration time
2026-07-31T15:05:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:d296e14853870c2159982bc43630ebbfe2a80332044396cd5783f08f014dafc4

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.