ISRC TCACD1545319
Verified recording
TCACD1545319 is “Cold Heart” by A-One,
registered on the CopyrightChains blockchain with CopyrightID
0x60903461941f79109a1e5c52e2f6b57313885806f3282ac9f774261d2609524c 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/TCACD1545319.
Recording identifiers
- ISRC
- TCACD1545319
- Title
- Cold Heart
- Artist
- A-One
- CopyrightID (CopyrightChains transaction hash)
0x60903461941f79109a1e5c52e2f6b57313885806f3282ac9f774261d2609524c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:607de6e89b959a508b6411b0d5421a5b21937cff05fbf850e51d10327600ab6b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCACD1545319
- Bitcoin block existence check
- https://blockstream.info/api/block/960220