ISRC USB4U0850934
Verified recording
USB4U0850934 is “Winter Blue” by David Huntsinger,
registered on the CopyrightChains blockchain with CopyrightID
0x613db4d3c99ef5ad839f9becb59a3981e87b987519b3273823b5934a433cfa54 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0850934.
Recording identifiers
- ISRC
- USB4U0850934
- Title
- Winter Blue
- Artist
- David Huntsinger
- CopyrightID (CopyrightChains transaction hash)
0x613db4d3c99ef5ad839f9becb59a3981e87b987519b3273823b5934a433cfa54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:6d51a2d7368435b0218d79980d5964bee86569b8e8a2faa94ed5ee1118c47d46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0850934
- Bitcoin block existence check
- https://blockstream.info/api/block/957120