ISRC DEF057701632
Verified recording
DEF057701632 is “Piano Concerto No. 3 in C Minor, Op. 37: II. Largo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x02cf64355d54715ff1851d61d7cfd654bcd5c6f4b2b1d5702ee743c557137ccc and independently timestamped
in Bitcoin block 959134 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057701632.
Recording identifiers
- ISRC
- DEF057701632
- Title
- Piano Concerto No. 3 in C Minor, Op. 37: II. Largo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x02cf64355d54715ff1851d61d7cfd654bcd5c6f4b2b1d5702ee743c557137ccc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T13:34:27+00:00
- Bitcoin block
- 959134
- Canonical record hash
sha256:bf2779a0cfc38c2c40156d8b2037672332dbf7965f550689fd4173d9ffb148e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057701632
- Bitcoin block existence check
- https://blockstream.info/api/block/959134
Full record
Track page: Piano Concerto No. 3 in C Minor, Op. 37: II. Largo · Machine-readable JSON-LD