ISRC DEF056507193
Verified recording
DEF056507193 is “Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xaf566e6f00cbe32c3fb0ee29c550e36eb642dc87bac4fbc2ffe0b846a55661f3 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507193.
Recording identifiers
- ISRC
- DEF056507193
- Title
- Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xaf566e6f00cbe32c3fb0ee29c550e36eb642dc87bac4fbc2ffe0b846a55661f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:b1ac652a9da75f5755f06038c87e079bc7a2115618cbd1ec17bd3ee8d4d2c839- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507193
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 3 · Machine-readable JSON-LD