ISRC CH1601910440
Verified recording
CH1601910440 is “Carol of the Bells” by Jirka Kadlec,
registered on the CopyrightChains blockchain with CopyrightID
0x640ea33eb54c89f80f54ece7c5e38d86c0fb4c8fc510b7cbf0ffb1d415c17eb5 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1601910440.
Recording identifiers
- ISRC
- CH1601910440
- Title
- Carol of the Bells
- Artist
- Jirka Kadlec
- CopyrightID (CopyrightChains transaction hash)
0x640ea33eb54c89f80f54ece7c5e38d86c0fb4c8fc510b7cbf0ffb1d415c17eb5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:301cf7065958bb005c02472c3939a7e1bb9f9b50af7cc8811eae645e5d993666- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1601910440
- Bitcoin block existence check
- https://blockstream.info/api/block/957120