ISRC NLK4J2000014
Verified recording
NLK4J2000014 is “Concerto for 2 Pianos: IV. Preludio e Fuga” by Igor Stravinsky,
registered on the CopyrightChains blockchain with CopyrightID
0x68dea695f805814fc61a0b2a69c7c5b2e97bd59cb2c258961d5d798f959b02a9 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J2000014.
Recording identifiers
- ISRC
- NLK4J2000014
- Title
- Concerto for 2 Pianos: IV. Preludio e Fuga
- Artist
- Igor Stravinsky
- CopyrightID (CopyrightChains transaction hash)
0x68dea695f805814fc61a0b2a69c7c5b2e97bd59cb2c258961d5d798f959b02a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:7c7762841764fe7e656888f05bdb2fb158484c9d685840b9d3838b6850bd64f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLK4J2000014
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Concerto for 2 Pianos: IV. Preludio e Fuga · Machine-readable JSON-LD