ISRC DEF055634209
Verified recording
DEF055634209 is “12 Études, Op. 10: No. 9 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x791ead60e115c15e7e10e3d7391fb5fde01af098453f2ede080510668355cc62 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634209.
Recording identifiers
- ISRC
- DEF055634209
- Title
- 12 Études, Op. 10: No. 9 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x791ead60e115c15e7e10e3d7391fb5fde01af098453f2ede080510668355cc62
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ceef8ba4d1f4563c69238c17068c3a24b00291ab71839651abf39e2f74ea704c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634209
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Études, Op. 10: No. 9 in F Minor · Machine-readable JSON-LD