ISRC FR50X1941512

Verified recording

FR50X1941512 is “Herbstlied for Clarinet & String Quartet” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0xf1ceda965e05b40e80883066494edc0a2f79917675180cd28dded2205b9978b8 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/FR50X1941512.

Recording identifiers

ISRC
FR50X1941512
Title
Herbstlied for Clarinet & String Quartet
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0xf1ceda965e05b40e80883066494edc0a2f79917675180cd28dded2205b9978b8

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12+00:00
Bitcoin block
960448
Canonical record hash
sha256:5e1e77ef45392b428704f91e40d16f549e38ee49abe9b110f344f5cf76c306d5
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1941512
Bitcoin block existence check
https://blockstream.info/api/block/960448

Full record

Track page: Herbstlied for Clarinet & String Quartet · Machine-readable JSON-LD