Tristan und Isolde, Act II: Rette dich, Tristan!

Recording by Richard Wagner.

Recording identifiers

ISRC
DEF058134920
CopyrightID (CopyrightChains transaction hash)
0xfaccbe6e8cb4d73a696b18063ca477ba7af7217c67737efe3f83ac36b964e486
Copyright registration time
2026-06-25T17:23:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9c05063f31c52da4b812b9a442bf898970f4b600a8cb1181c7e10e58de813731

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.