Voices Of Spring

Recording by Johann Strauss II.

Recording identifiers

ISRC
CH6631259808
CopyrightID (CopyrightChains transaction hash)
0x142db32ef5a67a4988e7537b7bf9ec3fae1f8a9464305d0e8107270ffae5158c
Copyright registration time
2026-06-18T14:04:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:32877b184dd7d18bac311f1ea5d1fbfbf6baa33915584a9c1481fe21b5787271

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.