ISRC NLA507200609
Verified recording
NLA507200609 is “String Quartet No. 13 in D Minor, K. 173: I. (Allegro ma molto moderato)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x50cba6a719d6983863ba564eb9dadbd7162f314ad531e722d1246806806ebe8d 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/NLA507200609.
Recording identifiers
- ISRC
- NLA507200609
- Title
- String Quartet No. 13 in D Minor, K. 173: I. (Allegro ma molto moderato)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x50cba6a719d6983863ba564eb9dadbd7162f314ad531e722d1246806806ebe8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f84bded5d6e96eac45bc02c902d4764bb96325742a6b6673d56425cae24128c6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507200609
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 13 in D Minor, K. 173: I. (Allegro ma molto moderato) · Machine-readable JSON-LD