ISRC DEF059803731
Verified recording
DEF059803731 is “Cello Concerto in D,H.VIIb No. 2: 1. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x87cd88fc64a6d5357b40653e9028ce4b2fcc1befb51c061ff4fc9aa1d98dae34 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059803731.
Recording identifiers
- ISRC
- DEF059803731
- Title
- Cello Concerto in D,H.VIIb No. 2: 1. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x87cd88fc64a6d5357b40653e9028ce4b2fcc1befb51c061ff4fc9aa1d98dae34
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:8cfbf2f8c644e0884abd7b816f7d9a4647743b846a81650def04c16711fb869a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059803731
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: Cello Concerto in D,H.VIIb No. 2: 1. Allegro moderato · Machine-readable JSON-LD