ISRC DEF057100001
Verified recording
DEF057100001 is “15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Introduzione col Basso del Tema: Allegretto vivace” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x3a397174adbc2d4507d2e9dc3bf2e2065fca2060c424f0e93b517a6bec243777 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/DEF057100001.
Recording identifiers
- ISRC
- DEF057100001
- Title
- 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Introduzione col Basso del Tema: Allegretto vivace
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x3a397174adbc2d4507d2e9dc3bf2e2065fca2060c424f0e93b517a6bec243777
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:0bab9afbe872b1031e852a415a83e77e68f7b055b0a85da5d8566103b3db41e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100001
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Introduzione col Basso del Tema: Allegretto vivace · Machine-readable JSON-LD