ISRC QZ45A1600037
Verified recording
QZ45A1600037 is “Heart So Cold” by 21 Savage,
registered on the CopyrightChains blockchain with CopyrightID
0xab1622ff151fbb5be9e9f76445883c32e2d046097134fe5f2e931a5e5c3573aa 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/QZ45A1600037.
Recording identifiers
- ISRC
- QZ45A1600037
- Title
- Heart So Cold
- Artist
- 21 Savage
- CopyrightID (CopyrightChains transaction hash)
0xab1622ff151fbb5be9e9f76445883c32e2d046097134fe5f2e931a5e5c3573aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:d6deedb41487863733c1c5208079a3cf153cfd225885bfcaa95ae6462560f04a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ45A1600037
- Bitcoin block existence check
- https://blockstream.info/api/block/953520