ISRC HKI190852516
Verified recording
HKI190852516 is “Laut verkünde unsre Freude, K. 623: Duet: Lange sollen diese Mauern (Tenor, Baritone)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x20343465ee2040cdccff241f25e76aeeb4b514a474b079f372fdc81032ecc40c and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190852516.
Recording identifiers
- ISRC
- HKI190852516
- Title
- Laut verkünde unsre Freude, K. 623: Duet: Lange sollen diese Mauern (Tenor, Baritone)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x20343465ee2040cdccff241f25e76aeeb4b514a474b079f372fdc81032ecc40c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:48ea64c58cf31e11201639ab8ebfae1fe74720829ada26411488a0c2eef93282- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190852516
- Bitcoin block existence check
- https://blockstream.info/api/block/960489
Full record
Track page: Laut verkünde unsre Freude, K. 623: Duet: Lange sollen diese Mauern (Tenor, Baritone) · Machine-readable JSON-LD