Tristan und Isolde, WWV 90: Prelude

Recording by Richard Wagner.

Recording identifiers

ISRC
DEF056630201
CopyrightID (CopyrightChains transaction hash)
0xd0784418739aae29bc0a8304e2979f1819da912514f08d75a925e2a593ea1f1a
Copyright registration time
2026-06-10T02:33:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:a07ac85ed8657fc44c57766d5a69e04fed1808485afafd5f7da1e35c3943887c

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.