An Alpine Symphony, Op. 64: XV. The Sun Grows Dark

Recording by Richard Strauss.

Recording identifiers

ISRC
FRZ209214215
CopyrightID (CopyrightChains transaction hash)
0xfda6a3e56b202d7551f03c62a2d5562a88f7ad6e7449f05312a447f53514bae4
Copyright registration time
2026-06-26T21:24:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:943ab94e8a050e447d5e3c6f67cc8282d8f6e9f44d7950f32c512ccbb386895b

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.