Also sprache Zarathustra, Op.30

Recording by Richard Strauss.

Recording identifiers

ISRC
DEF058300101
CopyrightID (CopyrightChains transaction hash)
0x59727fac450c5138bf4ad1a19d54b1f45934495c911841f2f8ee95110edf7da1
Copyright registration time
2026-06-08T00:45:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:b7783f3755332d94b1d131298748f446d46864d41c64761246822f1ff8df2694

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.