ISRC CH6540836031
Verified recording
CH6540836031 is “Cambridge Variations” by Philip Sparke,
registered on the CopyrightChains blockchain with CopyrightID
0x0a4702cdf5357daf6839059d0afa4ccdc997ca5d704d3d5d223f742c5cc46832 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6540836031.
Recording identifiers
- ISRC
- CH6540836031
- Title
- Cambridge Variations
- Artist
- Philip Sparke
- CopyrightID (CopyrightChains transaction hash)
0x0a4702cdf5357daf6839059d0afa4ccdc997ca5d704d3d5d223f742c5cc46832
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:a1c0c4f3af04539b47b6973dea2835b6055ada13cbfce9eba0ae4b5dd2687bd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6540836031
- Bitcoin block existence check
- https://blockstream.info/api/block/960209