Der ferne Klang, Act I: Vorspiel

Recording by Franz Schreker.

Recording identifiers

ISRC
DEU921998001
CopyrightID (CopyrightChains transaction hash)
0xde52382a86e000d70367e1cd1c8ca083e44c6da3b6937d655f8a7d074db1c999
Copyright registration time
2026-07-31T21:49:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:f3708e505adcaf2d685201bc36d5db4a12ade4c00da2a00021225aea6624bfc3

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.