ISRC GBPS81400019
Verified recording
GBPS81400019 is “Nocturne in D-Flat Major, Op. 27, No. 2” by Martin Jacoby,
registered on the CopyrightChains blockchain with CopyrightID
0xbc28e2e00f12319ab585ddee68e2a60b6ed207dae1bd569a7ac0fbb4bd3fa7c9 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS81400019.
Recording identifiers
- ISRC
- GBPS81400019
- Title
- Nocturne in D-Flat Major, Op. 27, No. 2
- Artist
- Martin Jacoby
- CopyrightID (CopyrightChains transaction hash)
0xbc28e2e00f12319ab585ddee68e2a60b6ed207dae1bd569a7ac0fbb4bd3fa7c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:cfc88e4f2a0c9c470271acaaa1edeef78e753c48aa68519bf68cbb2a78065701- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS81400019
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Nocturne in D-Flat Major, Op. 27, No. 2 · Machine-readable JSON-LD