Voices of Spring, Op. 410

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSJ10817442
CopyrightID (CopyrightChains transaction hash)
0x733259f1594a10c8c595c532c6966612417ab8e8d10fa3c0d7bb5145b7fde024
Copyright registration time
2026-06-08T02:16:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:169d7bb70448793ce5f2e1dc98bfa69b757676f8c227ba162030b52ecf89cab2

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.