ISRC CZA169402235
Verified recording
CZA169402235 is “Laut verkünde unsre Freude. Cantata for Two Tenors, Bass, Male Chorus and Orchestra in C Major, K. 623: II. Arie. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x120bd9487a5b7244c4e562097bd7cf9cb4a762e0e7b35b7c9a78a624329c13bf and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169402235.
Recording identifiers
- ISRC
- CZA169402235
- Title
- Laut verkünde unsre Freude. Cantata for Two Tenors, Bass, Male Chorus and Orchestra in C Major, K. 623: II. Arie. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x120bd9487a5b7244c4e562097bd7cf9cb4a762e0e7b35b7c9a78a624329c13bf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:fecdda20e57e753a949a3dd6c8a705b261a8e9e6741200413d263056a41f8f50- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169402235
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Laut verkünde unsre Freude. Cantata for Two Tenors, Bass, Male Chorus and Orchestra in C Major, K. 623: II. Arie. Andante · Machine-readable JSON-LD