ISRC DEAT71208055
Verified recording
DEAT71208055 is “Licht und Schatten - Polka Mazur” by Johann Strauss II,
registered on the CopyrightChains blockchain with CopyrightID
0x74f35ead09119831b4634dcb385cf4b158403ab69f0e7f8e60e59fc7a47bcdaa and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAT71208055.
Recording identifiers
- ISRC
- DEAT71208055
- Title
- Licht und Schatten - Polka Mazur
- Artist
- Johann Strauss II
- CopyrightID (CopyrightChains transaction hash)
0x74f35ead09119831b4634dcb385cf4b158403ab69f0e7f8e60e59fc7a47bcdaa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:293ce605f30b66a4376bb3ad6628f69486f110695cc38f69670ebf7b91ae4b97- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAT71208055
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: Licht und Schatten - Polka Mazur · Machine-readable JSON-LD