ISRC USC4R2217755
Verified recording
USC4R2217755 is “Smile - From "Smile"” by Harry Groener,
registered on the CopyrightChains blockchain with CopyrightID
0x9820044e3f6a99a591dac0fd2732808b40475ec978fb8e09f4ee5cabe8a81db1 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2217755.
Recording identifiers
- ISRC
- USC4R2217755
- Title
- Smile - From "Smile"
- Artist
- Harry Groener
- CopyrightID (CopyrightChains transaction hash)
0x9820044e3f6a99a591dac0fd2732808b40475ec978fb8e09f4ee5cabe8a81db1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:15cb844ac97eee489498a34b07ba2eb3ec2463bad70368f9ceaa9bbb7025cf65- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R2217755
- Bitcoin block existence check
- https://blockstream.info/api/block/960327