ISRC DEF056500612
Verified recording
DEF056500612 is “Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9fc090bad12a6cdbdef4d05d2b90c4ce6042e49527284cc895b339b2347ffed2 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500612.
Recording identifiers
- ISRC
- DEF056500612
- Title
- Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9fc090bad12a6cdbdef4d05d2b90c4ce6042e49527284cc895b339b2347ffed2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:65de02119af8ef40a00b14deb3e4fcf6313d4784882110738d973e59bcfd4885- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500612
- Bitcoin block existence check
- https://blockstream.info/api/block/960473
Full record
Track page: Piano Concerto No. 1 in E Minor, Op. 11: I. Allegro maestoso · Machine-readable JSON-LD