ISRC FRZ299545240
Verified recording
FRZ299545240 is “Die Zauberflöte, K. 620, Act II: "Seid uns zum zweitenmal willkommen" (Die drei Knaben)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x1a35732b614946fec41978e3870125610d6b4f5d5eca07df1c79bb84889880f9 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299545240.
Recording identifiers
- ISRC
- FRZ299545240
- Title
- Die Zauberflöte, K. 620, Act II: "Seid uns zum zweitenmal willkommen" (Die drei Knaben)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x1a35732b614946fec41978e3870125610d6b4f5d5eca07df1c79bb84889880f9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9d52220a441c4740571d8530ef78386794d4d5c56a3896c57201b481ccc67cad- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ299545240
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Die Zauberflöte, K. 620, Act II: "Seid uns zum zweitenmal willkommen" (Die drei Knaben) · Machine-readable JSON-LD