ISRC DEF059631906
Verified recording
DEF059631906 is “Romeo and Juliet, Op. 64, Act I: No. 6, The Fight” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x547e1263736d5df53802f89db0c33e78d1d4ac769451e4da7b15e9bdafe58d43 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059631906.
Recording identifiers
- ISRC
- DEF059631906
- Title
- Romeo and Juliet, Op. 64, Act I: No. 6, The Fight
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x547e1263736d5df53802f89db0c33e78d1d4ac769451e4da7b15e9bdafe58d43
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:cbcfc1df1c20aa3bb2733c8e63e48206a3d870bc5d9ee3fd30f28bd57684b636- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059631906
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Romeo and Juliet, Op. 64, Act I: No. 6, The Fight · Machine-readable JSON-LD