ISRC NLA508127007
Verified recording
NLA508127007 is “21 Hungarian Dances, WoO 1: No. 7 in A Major: Allegretto (Arr. for Piano Duet)” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x7d8dcde4193525e28cbb241c409ae320368fc8fecd5c8dd9a7406f8f18de279d and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508127007.
Recording identifiers
- ISRC
- NLA508127007
- Title
- 21 Hungarian Dances, WoO 1: No. 7 in A Major: Allegretto (Arr. for Piano Duet)
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x7d8dcde4193525e28cbb241c409ae320368fc8fecd5c8dd9a7406f8f18de279d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:7a4161619068c5922fb204f88d089890a8c6089747d1b433d506a3b59fb48c28- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508127007
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 21 Hungarian Dances, WoO 1: No. 7 in A Major: Allegretto (Arr. for Piano Duet) · Machine-readable JSON-LD