ISRC DEF057601410
Verified recording
DEF057601410 is “Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 4 In F Minor (Poco sostenuto)” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x143e83f7d1da3013c8c33b9c16d4a24028a54825f89e55721883b1ce118d728f and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601410.
Recording identifiers
- ISRC
- DEF057601410
- Title
- Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 4 In F Minor (Poco sostenuto)
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x143e83f7d1da3013c8c33b9c16d4a24028a54825f89e55721883b1ce118d728f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:739219a73edc356a3792cd32cad61a0b1c8d6482d387db1925ce88481e44a34a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601410
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 4 In F Minor (Poco sostenuto) · Machine-readable JSON-LD