ISRC DEF059204862
Verified recording
DEF059204862 is “Piano Concerto No. 1 in C Major, Op. 15: II. Largo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8aa2d57d6aa1a361a1ca8f3a9c6ba8e8ef758c8f1217f789298047cc6881b738 and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059204862.
Recording identifiers
- ISRC
- DEF059204862
- Title
- Piano Concerto No. 1 in C Major, Op. 15: II. Largo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8aa2d57d6aa1a361a1ca8f3a9c6ba8e8ef758c8f1217f789298047cc6881b738
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:8cf69e26e29d3e6ced5b2033b17ce5ae88e9da747c258a06d720dd06f900fc52- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059204862
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: Piano Concerto No. 1 in C Major, Op. 15: II. Largo · Machine-readable JSON-LD