ISRC USUW61600144
Verified recording
USUW61600144 is “Knockout: A Rag” by William Bolcom,
registered on the CopyrightChains blockchain with CopyrightID
0x3ce0460eed5faca99f7f50998aa2317bc11bcd6269a1de4d5494717aa05fddaf and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61600144.
Recording identifiers
- ISRC
- USUW61600144
- Title
- Knockout: A Rag
- Artist
- William Bolcom
- CopyrightID (CopyrightChains transaction hash)
0x3ce0460eed5faca99f7f50998aa2317bc11bcd6269a1de4d5494717aa05fddaf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:a17aab57acd8bee775e097768b5299bbdec282a861803e54848898a12cb9b4d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUW61600144
- Bitcoin block existence check
- https://blockstream.info/api/block/960254