ISRC QMDA62346518
Verified recording
QMDA62346518 is “Swan Lake: Black Swan Siegfried Variation Nureyev - 160 BPM” by Andrew Holdsworth,
registered on the CopyrightChains blockchain with CopyrightID
0xd3befabb6aa5cc00a438c11a1de3deceb4dcf9f27194c9ed5cc853f6b4bc8bd3 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62346518.
Recording identifiers
- ISRC
- QMDA62346518
- Title
- Swan Lake: Black Swan Siegfried Variation Nureyev - 160 BPM
- Artist
- Andrew Holdsworth
- CopyrightID (CopyrightChains transaction hash)
0xd3befabb6aa5cc00a438c11a1de3deceb4dcf9f27194c9ed5cc853f6b4bc8bd3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:8f2a68d7325ed8a869d1ba3d1e2485c2ae37367d99838d8614af2412d9bd87ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62346518
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Swan Lake: Black Swan Siegfried Variation Nureyev - 160 BPM · Machine-readable JSON-LD