ISRC DEF059631912
Verified recording
DEF059631912 is “Romeo and Juliet, Op. 64, Act I: No. 12, Masks” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x42dabce3f0d4384113979bc8a6980acd6d57dd5f26f8184a1245cf43270482d5 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/DEF059631912.
Recording identifiers
- ISRC
- DEF059631912
- Title
- Romeo and Juliet, Op. 64, Act I: No. 12, Masks
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x42dabce3f0d4384113979bc8a6980acd6d57dd5f26f8184a1245cf43270482d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b3e336a0748a221433d99d4df206c9bbe3b7248942713e84de7a1238aa7befd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059631912
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Romeo and Juliet, Op. 64, Act I: No. 12, Masks · Machine-readable JSON-LD