ISRC USPR35400016
Verified recording
USPR35400016 is “Buttercup” by Bud Powell,
registered on the CopyrightChains blockchain with CopyrightID
0xc77c3b11183d031410719dc8399d63c10066a9db9a0216aad3472851a64f287c and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR35400016.
Recording identifiers
- ISRC
- USPR35400016
- Title
- Buttercup
- Artist
- Bud Powell
- CopyrightID (CopyrightChains transaction hash)
0xc77c3b11183d031410719dc8399d63c10066a9db9a0216aad3472851a64f287c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:403ab2f5b63713837035c83b7d9c6f7c277863263375f51f09b694489e47dd03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR35400016
- Bitcoin block existence check
- https://blockstream.info/api/block/960163