ISRC US3DF2470339
Verified recording
US3DF2470339 is “Cold Heart” by hélix,
registered on the CopyrightChains blockchain with CopyrightID
0x261ee564e9873a92603e911619c66e062aa76dde68d21e292730c2e65da4dedc and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2470339.
Recording identifiers
- ISRC
- US3DF2470339
- Title
- Cold Heart
- Artist
- hélix
- CopyrightID (CopyrightChains transaction hash)
0x261ee564e9873a92603e911619c66e062aa76dde68d21e292730c2e65da4dedc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:c9093bf115b70a9fdc7bb09fa23fea6c3d799d53f3bc5b3f5980dd9bd6c39382- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2470339
- Bitcoin block existence check
- https://blockstream.info/api/block/953520