ISRC FRUM71302236
Verified recording
FRUM71302236 is “3 Nocturnes, Op. 9: Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x78bb218ac3798997fefe1ff66a5f7488edb1d89d5434304f66dfddde2acb6a5b and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM71302236.
Recording identifiers
- ISRC
- FRUM71302236
- Title
- 3 Nocturnes, Op. 9: Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x78bb218ac3798997fefe1ff66a5f7488edb1d89d5434304f66dfddde2acb6a5b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:6064c1f24927cabea908028f79cbf105cee8ab9c946978cb336c643c315273b4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRUM71302236
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: 3 Nocturnes, Op. 9: Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 · Machine-readable JSON-LD