ISRC DEF059904371
Verified recording
DEF059904371 is “Erfreut euch, ihr Herzen, BWV 66: I. Chorus. Erfreut Euch, ihr Herzen” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0xa88cc9f88e344fe51dd59c8f56b79d002226d6f9442a353e43346e944aa93811 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904371.
Recording identifiers
- ISRC
- DEF059904371
- Title
- Erfreut euch, ihr Herzen, BWV 66: I. Chorus. Erfreut Euch, ihr Herzen
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0xa88cc9f88e344fe51dd59c8f56b79d002226d6f9442a353e43346e944aa93811
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:74d329d4a7e268d8c8f29ea1f19d5fe7e077b672b63d2cb46d13e8d681e907bb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059904371
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Erfreut euch, ihr Herzen, BWV 66: I. Chorus. Erfreut Euch, ihr Herzen · Machine-readable JSON-LD