ISRC DEF058803645
Verified recording
DEF058803645 is “Concerto grosso no.1 (1976-77): 5. Rondo: Agitato” by Alfred Schnittke,
registered on the CopyrightChains blockchain with CopyrightID
0x635576cbf83e43f01152ca8aa9420cd2ce6fce311c6412db815f7827bd335b79 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/DEF058803645.
Recording identifiers
- ISRC
- DEF058803645
- Title
- Concerto grosso no.1 (1976-77): 5. Rondo: Agitato
- Artist
- Alfred Schnittke
- CopyrightID (CopyrightChains transaction hash)
0x635576cbf83e43f01152ca8aa9420cd2ce6fce311c6412db815f7827bd335b79
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8809180112d1d9d7faf53aba1bec229400b313fb6328a241876367b4b37a9fef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058803645
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto grosso no.1 (1976-77): 5. Rondo: Agitato · Machine-readable JSON-LD