ISRC FR50X1854507

Verified recording

FR50X1854507 is “Concerto funèbre for Violin and String Orchestra: IV. Choral” by Karl Amadeus Hartmann, registered on the CopyrightChains blockchain with CopyrightID 0x59744b1e675901772f8da29449629de48f9d63adb44ec3e169f5f96dcd3664d3 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/FR50X1854507.

Recording identifiers

ISRC
FR50X1854507
Title
Concerto funèbre for Violin and String Orchestra: IV. Choral
Artist
Karl Amadeus Hartmann
CopyrightID (CopyrightChains transaction hash)
0x59744b1e675901772f8da29449629de48f9d63adb44ec3e169f5f96dcd3664d3

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34+00:00
Bitcoin block
960403
Canonical record hash
sha256:66f0d9c19cdf3062d5f3ed3b3a699b57ec88b3508788da9fd9c6e0f20ebd9dc8
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1854507
Bitcoin block existence check
https://blockstream.info/api/block/960403

Full record

Track page: Concerto funèbre for Violin and String Orchestra: IV. Choral · Machine-readable JSON-LD