ISRC DEF059731347
Verified recording
DEF059731347 is “Don Giovanni, K. 527, Act II: Recit. Ferma, perfido, ferma” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x1f7eb2d4ae6eafe2fe25e287595f605f218c9599761e9812dc0fe07c497fc597 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059731347.
Recording identifiers
- ISRC
- DEF059731347
- Title
- Don Giovanni, K. 527, Act II: Recit. Ferma, perfido, ferma
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x1f7eb2d4ae6eafe2fe25e287595f605f218c9599761e9812dc0fe07c497fc597
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:0e4acd60831890a78312e0a0ed77efe103eb908efe9efdf53afade0a48917747- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059731347
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Don Giovanni, K. 527, Act II: Recit. Ferma, perfido, ferma · Machine-readable JSON-LD