ISRC FRZ140913270

Verified recording

FRZ140913270 is “Spanische Liebeslieder, Op. 138: IX. Duett "Blaue Augen hat das Mädchen"” by Robert Schumann, registered on the CopyrightChains blockchain with CopyrightID 0xc9c1c20052e233c39251689780db66daa5fe0acdeae88207499e511adf325973 and independently timestamped in Bitcoin block 960455 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913270.

Recording identifiers

ISRC
FRZ140913270
Title
Spanische Liebeslieder, Op. 138: IX. Duett "Blaue Augen hat das Mädchen"
Artist
Robert Schumann
CopyrightID (CopyrightChains transaction hash)
0xc9c1c20052e233c39251689780db66daa5fe0acdeae88207499e511adf325973

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13+00:00
Bitcoin block
960455
Canonical record hash
sha256:248b21d1504a7b79bcdfc14a2ed9c2e3fc04dbdcf8838fa730cbed44969a44e1
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140913270
Bitcoin block existence check
https://blockstream.info/api/block/960455

Full record

Track page: Spanische Liebeslieder, Op. 138: IX. Duett "Blaue Augen hat das Mädchen" · Machine-readable JSON-LD