ISRC CH0011400072
Verified recording
CH0011400072 is “Polonaise in F Minor, Fk. 12: No. 10” by Wilhelm Friedemann Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x7d8fabb29b25227a225db24d8a5c49221f4338e7930f4691b1358f5fc8db73c4 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/CH0011400072.
Recording identifiers
- ISRC
- CH0011400072
- Title
- Polonaise in F Minor, Fk. 12: No. 10
- Artist
- Wilhelm Friedemann Bach
- CopyrightID (CopyrightChains transaction hash)
0x7d8fabb29b25227a225db24d8a5c49221f4338e7930f4691b1358f5fc8db73c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:37229e11774f9d6cbe74456dd3e387b1cd204ed43dccd8a8e1f8669b50d2d1d7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0011400072
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Polonaise in F Minor, Fk. 12: No. 10 · Machine-readable JSON-LD