ISRC NLA410816029
Verified recording
NLA410816029 is “What Have I Done” by Eddie Heywood's Kansas City Blackbirds,
registered on the CopyrightChains blockchain with CopyrightID
0xa1306dd4dc91d880cbd02de467a19f8df3d1ee7042003f46934bfaafb0675570 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA410816029.
Recording identifiers
- ISRC
- NLA410816029
- Title
- What Have I Done
- Artist
- Eddie Heywood's Kansas City Blackbirds
- CopyrightID (CopyrightChains transaction hash)
0xa1306dd4dc91d880cbd02de467a19f8df3d1ee7042003f46934bfaafb0675570
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:02e1956357a995869885b0c383cc8b94bf3d584e92f406908de7fb30f17380a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA410816029
- Bitcoin block existence check
- https://blockstream.info/api/block/960418