ISRC US35U1618401
Verified recording
US35U1618401 is “Cold Heart” by Dag Nasty,
registered on the CopyrightChains blockchain with CopyrightID
0x96e788b2d266e15708715fc2874d82f4aeca736ef4777c1aed2562b4df42bea0 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US35U1618401.
Recording identifiers
- ISRC
- US35U1618401
- Title
- Cold Heart
- Artist
- Dag Nasty
- CopyrightID (CopyrightChains transaction hash)
0x96e788b2d266e15708715fc2874d82f4aeca736ef4777c1aed2562b4df42bea0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4ad66fb0b12735f468d24343ceabeda3c0d9b17e7499ff2d5b9263e78492b05a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US35U1618401
- Bitcoin block existence check
- https://blockstream.info/api/block/956304