ISRC USCGH1924368
Verified recording
USCGH1924368 is “String Quartet in D Major, Op. 33, No. 6: II. Andante (Arr. in C Minor)” by Lars Eric Mattsson,
registered on the CopyrightChains blockchain with CopyrightID
0x4d3f20848665976056c2775859b4b56062d6295a99c7a58c3126ddcc544d1a28 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1924368.
Recording identifiers
- ISRC
- USCGH1924368
- Title
- String Quartet in D Major, Op. 33, No. 6: II. Andante (Arr. in C Minor)
- Artist
- Lars Eric Mattsson
- CopyrightID (CopyrightChains transaction hash)
0x4d3f20848665976056c2775859b4b56062d6295a99c7a58c3126ddcc544d1a28
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:d4e270753399b83d30c2b45bdbf76175f958c18cad217d93d0eac98737f6fc03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1924368
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: String Quartet in D Major, Op. 33, No. 6: II. Andante (Arr. in C Minor) · Machine-readable JSON-LD