ISRC FR4KC2301011
Verified recording
FR4KC2301011 is “Double Canon for String Quartet” by Igor Stravinsky,
registered on the CopyrightChains blockchain with CopyrightID
0x973c61b2879f363ee07004d1d8ab187446b8248bbd6e218457b629333dd44acd and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2301011.
Recording identifiers
- ISRC
- FR4KC2301011
- Title
- Double Canon for String Quartet
- Artist
- Igor Stravinsky
- CopyrightID (CopyrightChains transaction hash)
0x973c61b2879f363ee07004d1d8ab187446b8248bbd6e218457b629333dd44acd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:907405b4434e69212af396de224b908c696bc81a2541a0287084b3b2e5fb42a5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR4KC2301011
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Double Canon for String Quartet · Machine-readable JSON-LD