ISRC DEF056000172
Verified recording
DEF056000172 is “12 Contredanses, WoO 14: No. 2 in A Major” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x740daad9f9c619b1aaddf2e15f42707a97e01c2eb6bb6a6f392cd810d2a07f54 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000172.
Recording identifiers
- ISRC
- DEF056000172
- Title
- 12 Contredanses, WoO 14: No. 2 in A Major
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x740daad9f9c619b1aaddf2e15f42707a97e01c2eb6bb6a6f392cd810d2a07f54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:a3c69f47e8ec392ead28508e57546e0bdfa8b115472a665234e66e79a80da08e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056000172
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: 12 Contredanses, WoO 14: No. 2 in A Major · Machine-readable JSON-LD