ISRC GBBBA0941740
Verified recording
GBBBA0941740 is “Nocturne No. 2 in E flat, Op. 9 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9420f14014ad5a3eadec2d7d8d1e81bd0253db76b31b8c1d4d97e0d4511b66c1 and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0941740.
Recording identifiers
- ISRC
- GBBBA0941740
- Title
- Nocturne No. 2 in E flat, Op. 9 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9420f14014ad5a3eadec2d7d8d1e81bd0253db76b31b8c1d4d97e0d4511b66c1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:65b364a201d4003e9a76382749c9f35e16c2598b835d72b72bd853de44672f6a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0941740
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Nocturne No. 2 in E flat, Op. 9 No. 2 · Machine-readable JSON-LD