ISRC DEF056131705
Verified recording
DEF056131705 is “Le nozze di Figaro, K. 492: "Ich weiß nicht"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x9edaedca99358f96dc18a358c3ced48672d93516c28a9545a99ebfd4e0dde306 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131705.
Recording identifiers
- ISRC
- DEF056131705
- Title
- Le nozze di Figaro, K. 492: "Ich weiß nicht"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x9edaedca99358f96dc18a358c3ced48672d93516c28a9545a99ebfd4e0dde306
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:dd78801922faf1df693618c59fc1ed719ad29b458f6e99482cd78a1d0b6a6bb0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056131705
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Le nozze di Figaro, K. 492: "Ich weiß nicht" · Machine-readable JSON-LD