ISRC USSM12003972
Verified recording
USSM12003972 is “10 Chorale Preludes, BV B 27: No. 4, Nun freut euch, lieben Christen gmein, BWV 734” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x5ad483c7d0d25105539e6fe234d3d85eec9f08ceb168a5f683bddc6e5bdd5658 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12003972.
Recording identifiers
- ISRC
- USSM12003972
- Title
- 10 Chorale Preludes, BV B 27: No. 4, Nun freut euch, lieben Christen gmein, BWV 734
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x5ad483c7d0d25105539e6fe234d3d85eec9f08ceb168a5f683bddc6e5bdd5658
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:b922adebb98cd290b77e9115063b21d1de7257a7d42646c3fb8daa365458ecfd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12003972
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 10 Chorale Preludes, BV B 27: No. 4, Nun freut euch, lieben Christen gmein, BWV 734 · Machine-readable JSON-LD