ISRC FRZ140005020

Verified recording

FRZ140005020 is “Croesus: ACT I, Scene 1, "Croesus herrsche, Croesus lebe" (Coro)” by Reinhard Keiser, registered on the CopyrightChains blockchain with CopyrightID 0x66e586f249784b57ffc2104992cc2c0c436beac9e332b5f405ffa4e635d0c803 and independently timestamped in Bitcoin block 960403 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140005020.

Recording identifiers

ISRC
FRZ140005020
Title
Croesus: ACT I, Scene 1, "Croesus herrsche, Croesus lebe" (Coro)
Artist
Reinhard Keiser
CopyrightID (CopyrightChains transaction hash)
0x66e586f249784b57ffc2104992cc2c0c436beac9e332b5f405ffa4e635d0c803

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34+00:00
Bitcoin block
960403
Canonical record hash
sha256:d41d3ee9c7f279de585a0a8315640b66cb3d62d3423afe1a033b760363728dd8
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140005020
Bitcoin block existence check
https://blockstream.info/api/block/960403

Full record

Track page: Croesus: ACT I, Scene 1, "Croesus herrsche, Croesus lebe" (Coro) · Machine-readable JSON-LD