ISRC NLA507300272
Verified recording
NLA507300272 is “Romeo and Juliet, Op. 64: Montagues and Capulets” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x0ed621fd36bdb3dbffb5f7dd2c710bf07f4d6f70bfeda202927f55706bb4b298 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300272.
Recording identifiers
- ISRC
- NLA507300272
- Title
- Romeo and Juliet, Op. 64: Montagues and Capulets
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x0ed621fd36bdb3dbffb5f7dd2c710bf07f4d6f70bfeda202927f55706bb4b298
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:28fbca2ce078307e38d403a39d728f958cf83c126386d4dcd79f86fa67a42005- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300272
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Romeo and Juliet, Op. 64: Montagues and Capulets · Machine-readable JSON-LD