ISRC DEF057100011
Verified recording
DEF057100011 is “15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation VIII.” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x5d864932c40fcd79e5b7c2ee3b552b8050de148b555cdafa18484c742ce4c35f 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/DEF057100011.
Recording identifiers
- ISRC
- DEF057100011
- Title
- 15 Variations and Fugue in E-Flat Major, Op. 35, "Eroica Variations": Variation VIII.
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x5d864932c40fcd79e5b7c2ee3b552b8050de148b555cdafa18484c742ce4c35f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:0e7cba90c3221c9da17c5b22b265dde2792174968e8534d62a0bcdfbeb8842b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057100011
- 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 VIII. · Machine-readable JSON-LD