ISRC DEF056805121
Verified recording
DEF056805121 is “Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3a9220bb7925519e243fd00237fe58efd68f4bf6d33b733270a9693eca41a3de and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056805121.
Recording identifiers
- ISRC
- DEF056805121
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3a9220bb7925519e243fd00237fe58efd68f4bf6d33b733270a9693eca41a3de
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:31ca3caa0947e189cc610f02fbe4667e7d2775db4d2dc999b8bb7b0f043a4615- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056805121
- Bitcoin block existence check
- https://blockstream.info/api/block/960108
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto - Pt. 1 · Machine-readable JSON-LD