Die tote Stadt: Act II: Wohin? Frank - du?

Recording by Erich Wolfgang Korngold.

Recording identifiers

ISRC
USBC17500269
CopyrightID (CopyrightChains transaction hash)
0x326c4cd7829fcb45957c0b56bbbf58fff9364fad4de9378863712c18969de2e7
Copyright registration time
2026-07-31T23:09:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T23:30:38Z
Bitcoin block
960478
Canonical record hash
sha256:969fa34b7b548a1134c3eee87817c676836cf6d452ce986d119a698e500a03a9

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.