Voices of Spring, Op. 410

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSJ10817413
CopyrightID (CopyrightChains transaction hash)
0x7d488f8a09bfdf54faff06f366654ae37c2d998150352e311c3fdbd077fd156c
Copyright registration time
2026-06-20T22:38:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d2fb212286d9093e64b78f9a84b61ea8264e5307955d5cf3a9f83b7d93f2c071

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.