ISRC NLA508127013
Verified recording
NLA508127013 is “21 Hungarian Dances, WoO 1: No. 13 in D Major: Andantino grazioso (Arr. for Piano Duet)” by Johannes Brahms,
registered on the CopyrightChains blockchain with CopyrightID
0x17a331e401f3932e775917755ed34f27e9d736111f9f129ba91613408f0c37b0 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508127013.
Recording identifiers
- ISRC
- NLA508127013
- Title
- 21 Hungarian Dances, WoO 1: No. 13 in D Major: Andantino grazioso (Arr. for Piano Duet)
- Artist
- Johannes Brahms
- CopyrightID (CopyrightChains transaction hash)
0x17a331e401f3932e775917755ed34f27e9d736111f9f129ba91613408f0c37b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7436f9b37c66d7e3ef6a98b19182253c83dba2ff3feac1e5a2d6d717ef9240f7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508127013
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 21 Hungarian Dances, WoO 1: No. 13 in D Major: Andantino grazioso (Arr. for Piano Duet) · Machine-readable JSON-LD