ISRC DEF057830309
Verified recording
DEF057830309 is “Fidelio, Op. 72, Act II: Duet. O namenlose Freude! - Live” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x3ed3b47ae025683372a8e96ca05704818697f476937f8195008c111215247cf5 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830309.
Recording identifiers
- ISRC
- DEF057830309
- Title
- Fidelio, Op. 72, Act II: Duet. O namenlose Freude! - Live
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x3ed3b47ae025683372a8e96ca05704818697f476937f8195008c111215247cf5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:36a709838e6a8057f2370bfa37455e711893658c77925f08c94d9a6a96774c4f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057830309
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Fidelio, Op. 72, Act II: Duet. O namenlose Freude! - Live · Machine-readable JSON-LD