ISRC DEF057100018
Verified recording
DEF057100018 is “15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XV. Maggiore. Largo” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x8dc3e20e530bb304e9daa0e288bd898a3f03a768d36e14b5a03216dc4deec6e8 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/DEF057100018.
Recording identifiers
- ISRC
- DEF057100018
- Title
- 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XV. Maggiore. Largo
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x8dc3e20e530bb304e9daa0e288bd898a3f03a768d36e14b5a03216dc4deec6e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:21246c3b8d55dbbac8b0193a060e7f67032b5bc32d5be9a7918d134f4add570b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100018
- 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": Variation XV. Maggiore. Largo · Machine-readable JSON-LD