ISRC DEF055634311
Verified recording
DEF055634311 is “12 Études, Op. 25: No. 11 in A Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf75632b3f3fa4f1c5020473c38e9eadc270d08d0ddae5294e8da76efdb19f704 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634311.
Recording identifiers
- ISRC
- DEF055634311
- Title
- 12 Études, Op. 25: No. 11 in A Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf75632b3f3fa4f1c5020473c38e9eadc270d08d0ddae5294e8da76efdb19f704
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:c61811ba8f26ec29e92a4ad84af1a072c41e3c73b3306db97b174ce1c995b20f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634311
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 12 Études, Op. 25: No. 11 in A Minor · Machine-readable JSON-LD