ISRC DEF057100016
Verified recording
DEF057100016 is “15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XIII.” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x2cdf09b3a3ce437dae14c8a075e5424e56f3012530c34419abe3760a8a390396 and independently timestamped
in Bitcoin block 959145 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100016.
Recording identifiers
- ISRC
- DEF057100016
- Title
- 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XIII.
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x2cdf09b3a3ce437dae14c8a075e5424e56f3012530c34419abe3760a8a390396
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:39:05+00:00
- Bitcoin block
- 959145
- Canonical record hash
sha256:6b8b85be1da61c6ac69e2656aa0b99ab8a584ad7045a08ccec6a1805fdbfb83d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100016
- Bitcoin block existence check
- https://blockstream.info/api/block/959145
Full record
Track page: 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation XIII. · Machine-readable JSON-LD