ISRC DEF058603752

Verified recording

DEF058603752 is “Violin Concerto In D, Op. 61: 2. Larghetto - Cadenza: Fritz Kreisler” by Ludwig van Beethoven, registered on the CopyrightChains blockchain with CopyrightID 0x6e82c7c62812454c434f006d9b74aa56302d57963f746774368cf08e23b64c1d and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058603752.

Recording identifiers

ISRC
DEF058603752
Title
Violin Concerto In D, Op. 61: 2. Larghetto - Cadenza: Fritz Kreisler
Artist
Ludwig van Beethoven
CopyrightID (CopyrightChains transaction hash)
0x6e82c7c62812454c434f006d9b74aa56302d57963f746774368cf08e23b64c1d

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:a718bca2632b8a69e6e38dc526cc3acac4cecd32545e27944d4f20222986f4e9
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058603752
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Violin Concerto In D, Op. 61: 2. Larghetto - Cadenza: Fritz Kreisler · Machine-readable JSON-LD