Serenade For Strings, Op.1

Recording by Dag Wirén.

Recording identifiers

ISRC
USX760000873
CopyrightID (CopyrightChains transaction hash)
0x7d4b9aeb40670046f4898a8be58946b63ae5d05d290b1da2c25dcda812773585
Copyright registration time
2026-06-24T17:56:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2f37cc08ed24be4a92bec3fbb42fb25f2df4684d05a152c55afe75eb49c85157

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.