ISRC DEF057200050
Verified recording
DEF057200050 is “Hungarian Rhapsody No. 4 in E Flat, S. 244” by Franz Liszt,
registered on the CopyrightChains blockchain with CopyrightID
0x4c977ab0037790608b99d8ccf943c0dab4aaf9958588dfa6b082e910839ec6c4 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200050.
Recording identifiers
- ISRC
- DEF057200050
- Title
- Hungarian Rhapsody No. 4 in E Flat, S. 244
- Artist
- Franz Liszt
- CopyrightID (CopyrightChains transaction hash)
0x4c977ab0037790608b99d8ccf943c0dab4aaf9958588dfa6b082e910839ec6c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:4ddd57b612b66ea3382b3120d129a71957c0a59e261569566788f5114f2ac831- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057200050
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Hungarian Rhapsody No. 4 in E Flat, S. 244 · Machine-readable JSON-LD