ISRC DEF057100009
Verified recording
DEF057100009 is “15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation VII. Canone all'Ottava” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xafe3074a219a510d6e3b7cdcbf8ed54285bfae06b204c50e1149b45f198263a8 and independently timestamped
in Bitcoin block 957061 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100009.
Recording identifiers
- ISRC
- DEF057100009
- Title
- 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation VII. Canone all'Ottava
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xafe3074a219a510d6e3b7cdcbf8ed54285bfae06b204c50e1149b45f198263a8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:07:00+00:00
- Bitcoin block
- 957061
- Canonical record hash
sha256:31adc34cb36ab00e13a1d37483ec49f7dcf43af933557d85e13ac170ad071c2b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100009
- Bitcoin block existence check
- https://blockstream.info/api/block/957061
Full record
Track page: 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation VII. Canone all'Ottava · Machine-readable JSON-LD