ISRC NLA506500031
Verified recording
NLA506500031 is “Concerto in A for solo Violin, Violin "per eco in lontano", Strings, and Continuo, R.552: 2. Larghetto” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x0b3672cf990699652b451c12f5d0d570eb934f649ff1d46c04fa150f1cd766d6 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/NLA506500031.
Recording identifiers
- ISRC
- NLA506500031
- Title
- Concerto in A for solo Violin, Violin "per eco in lontano", Strings, and Continuo, R.552: 2. Larghetto
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x0b3672cf990699652b451c12f5d0d570eb934f649ff1d46c04fa150f1cd766d6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:532f42de080962ef4fcf5ada69061b98e89d088545178d538528330a78291e32- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA506500031
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto in A for solo Violin, Violin "per eco in lontano", Strings, and Continuo, R.552: 2. Larghetto · Machine-readable JSON-LD