ISRC DEE212142604
Verified recording
DEE212142604 is “String Quartet in G Major, Op. 9/3, Hob. III:21: IV. Finale. Presto” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x865cf07177d82d7fe0157f855da38ea3c25321a34d09642e7456f701484748a2 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142604.
Recording identifiers
- ISRC
- DEE212142604
- Title
- String Quartet in G Major, Op. 9/3, Hob. III:21: IV. Finale. Presto
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x865cf07177d82d7fe0157f855da38ea3c25321a34d09642e7456f701484748a2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:60ecd6cab8321b435cac640df492ec9f12acea862ee951e9bcf992d978e7fdd1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE212142604
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: String Quartet in G Major, Op. 9/3, Hob. III:21: IV. Finale. Presto · Machine-readable JSON-LD