ISRC GBBBC2300300
Verified recording
GBBBC2300300 is “Variations on a Nursery Song, Op. 25: Introduction. Maestoso” by Ernst von Dohnányi,
registered on the CopyrightChains blockchain with CopyrightID
0xb500ab50a72acb8d601e29561c5cc0c28907e8b8af31ad6b5fb719c26cad7671 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2300300.
Recording identifiers
- ISRC
- GBBBC2300300
- Title
- Variations on a Nursery Song, Op. 25: Introduction. Maestoso
- Artist
- Ernst von Dohnányi
- CopyrightID (CopyrightChains transaction hash)
0xb500ab50a72acb8d601e29561c5cc0c28907e8b8af31ad6b5fb719c26cad7671
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:dd62858bcd6afb0add6918c6c822ef0c5e4b8267b68e235a235b088c1ecff4d4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2300300
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Variations on a Nursery Song, Op. 25: Introduction. Maestoso · Machine-readable JSON-LD