ISRC USRW49404104
Verified recording
USRW49404104 is “Cold, Cold Heart” by Lawrence Welk,
registered on the CopyrightChains blockchain with CopyrightID
0xf36422e4c122f76206238c5d1c2817e58602bf4f57c92fae491fb5c5ee18db10 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/USRW49404104.
Recording identifiers
- ISRC
- USRW49404104
- Title
- Cold, Cold Heart
- Artist
- Lawrence Welk
- CopyrightID (CopyrightChains transaction hash)
0xf36422e4c122f76206238c5d1c2817e58602bf4f57c92fae491fb5c5ee18db10
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:1bcc30bdf8efa1e42f158ef4179758b33f8c864640759c06c525c69d73e96b08- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRW49404104
- Bitcoin block existence check
- https://blockstream.info/api/block/956304