ISRC JPCO07712840
Verified recording
JPCO07712840 is “小犬のワルツ” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x10cb720856fc93689fdb2837e91496c03bb1a2ca33d02b46b1f7656df4ffdbec and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO07712840.
Recording identifiers
- ISRC
- JPCO07712840
- Title
- 小犬のワルツ
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x10cb720856fc93689fdb2837e91496c03bb1a2ca33d02b46b1f7656df4ffdbec
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:7c9770632fb8abb91701a21fe7006f069dd7f57d932a74071364635bb0097594- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO07712840
- Bitcoin block existence check
- https://blockstream.info/api/block/960220