Tristan und Isolde, Act III: Dolce e calmo

Recording by Richard Wagner.

Recording identifiers

ISRC
DEAD61001211
CopyrightID (CopyrightChains transaction hash)
0x175afda8270e304c0066f00b138b69a4f1347269cea70ccfa641e79e017d73f1
Copyright registration time
2026-06-21T17:59:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:157adb6820e49daaf8d261be0b57ab5559a8a89ef342cfdc206359de5434fbea

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.