ISRC DEF057601440

Verified recording

DEF057601440 is “Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 7 In A (Allegretto)” by Johannes Brahms, registered on the CopyrightChains blockchain with CopyrightID 0xea74bfa1620987f965c9b700e2734353f2b18233ddd30a47b4a57948334d5e6a and independently timestamped in Bitcoin block 960468 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601440.

Recording identifiers

ISRC
DEF057601440
Title
Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 7 In A (Allegretto)
Artist
Johannes Brahms
CopyrightID (CopyrightChains transaction hash)
0xea74bfa1620987f965c9b700e2734353f2b18233ddd30a47b4a57948334d5e6a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57+00:00
Bitcoin block
960468
Canonical record hash
sha256:308d19708407748979ebbd2ce234f2ce9e6eb9a4f33b73258de6c473fa1e1f66
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601440
Bitcoin block existence check
https://blockstream.info/api/block/960468

Full record

Track page: Hungarian Dances Nos. 1 - 21 - For Piano Duet: No. 7 In A (Allegretto) · Machine-readable JSON-LD