ISRC GBAYC0900337
Verified recording
GBAYC0900337 is “Popper: Hungarian Rhapsody, Op. 68” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0x444e8f78067b5d1393c5118ed3e5f228d67aee7a26d010b76a091e2481ee2763 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0900337.
Recording identifiers
- ISRC
- GBAYC0900337
- Title
- Popper: Hungarian Rhapsody, Op. 68
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0x444e8f78067b5d1393c5118ed3e5f228d67aee7a26d010b76a091e2481ee2763
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:267694741125418069a6d8a983967c2108dadef4dca508bf09da4bfda121cec0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0900337
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Popper: Hungarian Rhapsody, Op. 68 · Machine-readable JSON-LD