ISRC NLA507200605
Verified recording
NLA507200605 is “String Quartet No. 12 in B flat, K.172: 1. Allegro spiritoso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x7fbc096923001c536bec25e5bd163d879a1bfd56b9a400e0906426eae34e3874 and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200605.
Recording identifiers
- ISRC
- NLA507200605
- Title
- String Quartet No. 12 in B flat, K.172: 1. Allegro spiritoso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x7fbc096923001c536bec25e5bd163d879a1bfd56b9a400e0906426eae34e3874
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:99618319da6ab9882d1449b64c2b2f002f88453ac33623d4e550bbf488d25362- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200605
- Bitcoin block existence check
- https://blockstream.info/api/block/960170
Full record
Track page: String Quartet No. 12 in B flat, K.172: 1. Allegro spiritoso · Machine-readable JSON-LD