ISRC FR4KC2301007
Verified recording
FR4KC2301007 is “Three Pieces for String Quartet: II.” by Igor Stravinsky,
registered on the CopyrightChains blockchain with CopyrightID
0x0d46463b54fbe882a32bf5e189885cac154ff1ecd1713c105a52829aae3141d5 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2301007.
Recording identifiers
- ISRC
- FR4KC2301007
- Title
- Three Pieces for String Quartet: II.
- Artist
- Igor Stravinsky
- CopyrightID (CopyrightChains transaction hash)
0x0d46463b54fbe882a32bf5e189885cac154ff1ecd1713c105a52829aae3141d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:323756de040a9ae91b7f4185bdb667149d7e205df52dd5c64dd1235bc08bc0b0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2301007
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Three Pieces for String Quartet: II. · Machine-readable JSON-LD