ISRC FR4KC2301009

Verified recording

FR4KC2301009 is “Concertino for String Quartet” by Igor Stravinsky, registered on the CopyrightChains blockchain with CopyrightID 0x9d4ed15524f882ac0aafeedbee944cc98784de419190a39e6edc8e5006d81785 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/FR4KC2301009.

Recording identifiers

ISRC
FR4KC2301009
Title
Concertino for String Quartet
Artist
Igor Stravinsky
CopyrightID (CopyrightChains transaction hash)
0x9d4ed15524f882ac0aafeedbee944cc98784de419190a39e6edc8e5006d81785

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34+00:00
Bitcoin block
960403
Canonical record hash
sha256:e7caeef45c0cb27452a28352e77efd219373fb95bff7074151e8e5dec065d7d9
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2301009
Bitcoin block existence check
https://blockstream.info/api/block/960403

Full record

Track page: Concertino for String Quartet · Machine-readable JSON-LD