ISRC DEF058202130
Verified recording
DEF058202130 is “Variations On A Hungarian Song In D major, op.21, no.2” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x752776e43f30e532526d43b66f13384be6208134f1824418a131969930a096b7 and independently timestamped
in Bitcoin block 960494 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058202130.
Recording identifiers
- ISRC
- DEF058202130
- Title
- Variations On A Hungarian Song In D major, op.21, no.2
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x752776e43f30e532526d43b66f13384be6208134f1824418a131969930a096b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T01:44:32+00:00
- Bitcoin block
- 960494
- Canonical record hash
sha256:b6f531355d54e4c21a09679a355ad5bfb4d55a04a4b00358c083b76383b55ac5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058202130
- Bitcoin block existence check
- https://blockstream.info/api/block/960494
Full record
Track page: Variations On A Hungarian Song In D major, op.21, no.2 · Machine-readable JSON-LD