ISRC DEF057100015
Verified recording
DEF057100015 is “15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XII.” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xae73cbc83e6fecb46eed4c6f97434ae0342a21683f632dde3db60e051faf35d0 and independently timestamped
in Bitcoin block 959137 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100015.
Recording identifiers
- ISRC
- DEF057100015
- Title
- 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XII.
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xae73cbc83e6fecb46eed4c6f97434ae0342a21683f632dde3db60e051faf35d0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T14:03:35+00:00
- Bitcoin block
- 959137
- Canonical record hash
sha256:d47b295aa26f11bd1fdc6cb4f066a28a8cda6d0ceb5351cb773e2397f1f054dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100015
- Bitcoin block existence check
- https://blockstream.info/api/block/959137
Full record
Track page: 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XII. · Machine-readable JSON-LD