ISRC DEF058802671
Verified recording
DEF058802671 is “Walzer Gesänge nach toskanischen Volksliedern v.Ferd.Gregorovius op. 6 (Waltz-songs on Tuscan Folk Lyrics by F.Gregorovius,op.6): 1. Liebe Schwalbe” by Alexander von Zemlinsky,
registered on the CopyrightChains blockchain with CopyrightID
0xf525589e3580e28e2533d98f29a5839b1021f72183fdccc2622eba1dbf83964a and independently timestamped
in Bitcoin block 960429 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802671.
Recording identifiers
- ISRC
- DEF058802671
- Title
- Walzer Gesänge nach toskanischen Volksliedern v.Ferd.Gregorovius op. 6 (Waltz-songs on Tuscan Folk Lyrics by F.Gregorovius,op.6): 1. Liebe Schwalbe
- Artist
- Alexander von Zemlinsky
- CopyrightID (CopyrightChains transaction hash)
0xf525589e3580e28e2533d98f29a5839b1021f72183fdccc2622eba1dbf83964a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:07:24+00:00
- Bitcoin block
- 960429
- Canonical record hash
sha256:1491cebc08c7f856b4988e54fbf8132618e4298d8dbcb39af835c290743a6e86- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802671
- Bitcoin block existence check
- https://blockstream.info/api/block/960429
Full record
Track page: Walzer Gesänge nach toskanischen Volksliedern v.Ferd.Gregorovius op. 6 (Waltz-songs on Tuscan Folk Lyrics by F.Gregorovius,op.6): 1. Liebe Schwalbe · Machine-readable JSON-LD