ISRC NLA460911043
Verified recording
NLA460911043 is “Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di Valse - Trio” by Antonín Dvořák,
registered on the CopyrightChains blockchain with CopyrightID
0xe42141ce2cc2c3889f587b431dc6a464e53b81422f6d684691dcf588ea17949d 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/NLA460911043.
Recording identifiers
- ISRC
- NLA460911043
- Title
- Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di Valse - Trio
- Artist
- Antonín Dvořák
- CopyrightID (CopyrightChains transaction hash)
0xe42141ce2cc2c3889f587b431dc6a464e53b81422f6d684691dcf588ea17949d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:283423b89317a5e6c847116f9deb3ab429a9b436362cde50339b04c23104fffd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA460911043
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Serenade for Strings in E Major, Op. 22, B. 52: II. Tempo di Valse - Trio · Machine-readable JSON-LD