ISRC DEN961600400
Verified recording
DEN961600400 is “Mazurka in F Minor, Op. Posth. 68: No. 4 Andantino” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6729a9488dc43bdc97661ef76277952264f6195955d235a568e9722cbe858043 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600400.
Recording identifiers
- ISRC
- DEN961600400
- Title
- Mazurka in F Minor, Op. Posth. 68: No. 4 Andantino
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6729a9488dc43bdc97661ef76277952264f6195955d235a568e9722cbe858043
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:f128e86ddbeb3d081c76cb206f4ca4621f7e41aeac4e1fc064161fe41e4b5c7b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961600400
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Mazurka in F Minor, Op. Posth. 68: No. 4 Andantino · Machine-readable JSON-LD