ISRC FR2X42222250
Verified recording
FR2X42222250 is “弦外知音” by 鬼卞,
registered on the CopyrightChains blockchain with CopyrightID
0xb3b7d91ca9b3783f94a9285c5ef540ddb37d829d0e72ddc3d803d75210ebb16a and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42222250.
Recording identifiers
- ISRC
- FR2X42222250
- Title
- 弦外知音
- Artist
- 鬼卞
- CopyrightID (CopyrightChains transaction hash)
0xb3b7d91ca9b3783f94a9285c5ef540ddb37d829d0e72ddc3d803d75210ebb16a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:d823bae661d8e8a8bfb9e2d476457958e455b665235344f1c19656482baadeca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42222250
- Bitcoin block existence check
- https://blockstream.info/api/block/953515