ISRC DEF059330355
Verified recording
DEF059330355 is “Le nozze di Figaro, K.492 / Act 2: "Ah! signore" ... "Cosa è stato?" (Antonio, Conte, Susanna, Contessa, Figaro)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x2b3563ba85707f68de44fbd6a63fc55a93a73a9b2807c50a42892c8249088a03 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330355.
Recording identifiers
- ISRC
- DEF059330355
- Title
- Le nozze di Figaro, K.492 / Act 2: "Ah! signore" ... "Cosa è stato?" (Antonio, Conte, Susanna, Contessa, Figaro)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x2b3563ba85707f68de44fbd6a63fc55a93a73a9b2807c50a42892c8249088a03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:9d34d33c8edf3218510e4a401a05bc8656a9770774f036f3a5274306a1c74320- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330355
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Le nozze di Figaro, K.492 / Act 2: "Ah! signore" ... "Cosa è stato?" (Antonio, Conte, Susanna, Contessa, Figaro) · Machine-readable JSON-LD