Serenade For Strings, Op.11

Recording by Dag Wirén.

Recording identifiers

ISRC
USX760000874
CopyrightID (CopyrightChains transaction hash)
0x6d4a369f8e549ce715909d4d8fd34e278fc69fe8dff62434ad33aa721591f42f
Copyright registration time
2026-06-27T09:43:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1b9b2dfa92f4ea6dbfff04ec7673a33d6051503e7699dc1c30d03c5f0890d0db

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.