ISRC DEF058802211
Verified recording
DEF058802211 is “String Quartet In D Major, Op. 64, No. 5 "The Lark", Hob.III:63: 1. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xb0993ce85487453a031e5fc32fe678999b40b397af2e9626ae0836f1fc7dfb79 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802211.
Recording identifiers
- ISRC
- DEF058802211
- Title
- String Quartet In D Major, Op. 64, No. 5 "The Lark", Hob.III:63: 1. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xb0993ce85487453a031e5fc32fe678999b40b397af2e9626ae0836f1fc7dfb79
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:bb023492c93b121e39891f22ba4ada3dc8d6a4452d4484b445ccbf5a0f30c654- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058802211
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet In D Major, Op. 64, No. 5 "The Lark", Hob.III:63: 1. Allegro moderato · Machine-readable JSON-LD