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