ISRC USX761112206
Verified recording
USX761112206 is “Nonnenchor und das Lied der Laura (Nun's Chorus & Laura's Song) (from "Casanova")” by Elisabeth Schwarzkopf,
registered on the CopyrightChains blockchain with CopyrightID
0x2daf068104199cff8911d524697942008ac3984c305fceb557e443722859386b and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761112206.
Recording identifiers
- ISRC
- USX761112206
- Title
- Nonnenchor und das Lied der Laura (Nun's Chorus & Laura's Song) (from "Casanova")
- Artist
- Elisabeth Schwarzkopf
- CopyrightID (CopyrightChains transaction hash)
0x2daf068104199cff8911d524697942008ac3984c305fceb557e443722859386b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:5a4360ecf58fc35090c1bbd4e52d1711f20fb4fe591dbe9ac870b60283b757d1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761112206
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Nonnenchor und das Lied der Laura (Nun's Chorus & Laura's Song) (from "Casanova") · Machine-readable JSON-LD