ISRC DEN960100064
Verified recording
DEN960100064 is “String Quartet In D Major, Hob. III:63, Op. 64 No. 5 "The Lark": 4. Finale (Vivace)” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xdb2b646c7a83b258cf1cc840db42e22bc5471603c47d2da2a592d08a13068d55 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/DEN960100064.
Recording identifiers
- ISRC
- DEN960100064
- Title
- String Quartet In D Major, Hob. III:63, Op. 64 No. 5 "The Lark": 4. Finale (Vivace)
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xdb2b646c7a83b258cf1cc840db42e22bc5471603c47d2da2a592d08a13068d55
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:fe2099c141f847aabfe283a6c79f04f36c29b17def231bf4f020350b028d7232- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960100064
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: String Quartet In D Major, Hob. III:63, Op. 64 No. 5 "The Lark": 4. Finale (Vivace) · Machine-readable JSON-LD