ISRC FRZ140617030
Verified recording
FRZ140617030 is “Liebesliederwalzer, Op. 52: III. O die Frauen” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0xb20aed4bcb35878a8b48839c41acc64f006236d15a550336571e5f3f0d5e29f1 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617030.
Recording identifiers
- ISRC
- FRZ140617030
- Title
- Liebesliederwalzer, Op. 52: III. O die Frauen
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0xb20aed4bcb35878a8b48839c41acc64f006236d15a550336571e5f3f0d5e29f1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:487fb6bac9be98c9695b77c31dd595a56a4052a36a2c1dbe2e8822e2e9b1d282- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140617030
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Liebesliederwalzer, Op. 52: III. O die Frauen · Machine-readable JSON-LD