ISRC DEF059631905
Verified recording
DEF059631905 is “Romeo and Juliet, Op. 64, Act I: No. 5, The Quarrel” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xc814c2a05efd478afc1bc3c2e6c83be9bbdd6f162b21717d9f4f1f744891b7b4 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059631905.
Recording identifiers
- ISRC
- DEF059631905
- Title
- Romeo and Juliet, Op. 64, Act I: No. 5, The Quarrel
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xc814c2a05efd478afc1bc3c2e6c83be9bbdd6f162b21717d9f4f1f744891b7b4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:8b53a8787522def100adc2e85fd58a525cce223c8dbdd6724afbd9a0fd82fc3c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059631905
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Romeo and Juliet, Op. 64, Act I: No. 5, The Quarrel · Machine-readable JSON-LD