ISRC USASX0506503
Verified recording
USASX0506503 is “Mazurka in G Minor, Op. 11, No. 3” by David Popper,
registered on the CopyrightChains blockchain with CopyrightID
0xff6bb3123410b540df9565f970c11d110aa1424c5b4b6f5e85f95b3e6d1cc043 and independently timestamped
in Bitcoin block 960268 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0506503.
Recording identifiers
- ISRC
- USASX0506503
- Title
- Mazurka in G Minor, Op. 11, No. 3
- Artist
- David Popper
- CopyrightID (CopyrightChains transaction hash)
0xff6bb3123410b540df9565f970c11d110aa1424c5b4b6f5e85f95b3e6d1cc043
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:53:07+00:00
- Bitcoin block
- 960268
- Canonical record hash
sha256:41c3e8d1b9c8c0dea085c857a68f6e8d48e88ccf0389d0c2b218119e9611b648- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0506503
- Bitcoin block existence check
- https://blockstream.info/api/block/960268
Full record
Track page: Mazurka in G Minor, Op. 11, No. 3 · Machine-readable JSON-LD