Voices of Spring, Op. 410

Recording by Johann Strauss II.

Recording identifiers

ISRC
USA561381833
CopyrightID (CopyrightChains transaction hash)
0x9b5adc8f4b3e1d5fb0554773dae7426d9c51fe2f2d78038ec8f328da18548c90
Copyright registration time
2026-07-07T08:24:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5ad53dcb5dc18321d3ecec37a092ca68a2952369ae9a1e5bc66f1c20c7289566

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.