ISRC DEF059803733
Verified recording
DEF059803733 is “Cello Concerto in D,H.VIIb No. 2: 3. Rondo (Allegro)” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x357f4e49298da7a92b90954205af5f0426da1632261c66cb1182590a07f20973 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059803733.
Recording identifiers
- ISRC
- DEF059803733
- Title
- Cello Concerto in D,H.VIIb No. 2: 3. Rondo (Allegro)
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x357f4e49298da7a92b90954205af5f0426da1632261c66cb1182590a07f20973
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:26f892d46fa3029195f2fbb3714715f0ec0765c9f25a3ce32a0586e11bb8f55b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059803733
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Cello Concerto in D,H.VIIb No. 2: 3. Rondo (Allegro) · Machine-readable JSON-LD