ISRC CA5KR2350223
Verified recording
CA5KR2350223 is “Close Friends” by Crissin,
registered on the CopyrightChains blockchain with CopyrightID
0x29837d142e9faca0d12e4ad3cd7ba9db65f0849e610fc06fe9b3cfda66cadecf and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2350223.
Recording identifiers
- ISRC
- CA5KR2350223
- Title
- Close Friends
- Artist
- Crissin
- CopyrightID (CopyrightChains transaction hash)
0x29837d142e9faca0d12e4ad3cd7ba9db65f0849e610fc06fe9b3cfda66cadecf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:ed1d5be45c1e5820c89964a920358c66601e8a6b258738ca82376696a07c22ef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2350223
- Bitcoin block existence check
- https://blockstream.info/api/block/956889