ISRC USRO27403809
Verified recording
USRO27403809 is “Maple Leaf Rag” by Johnny Whisnant,
registered on the CopyrightChains blockchain with CopyrightID
0xa9062bc4d5b0c24956fae3f054ff4d1a56242505eb1f1a40ed436baa159edeea and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRO27403809.
Recording identifiers
- ISRC
- USRO27403809
- Title
- Maple Leaf Rag
- Artist
- Johnny Whisnant
- CopyrightID (CopyrightChains transaction hash)
0xa9062bc4d5b0c24956fae3f054ff4d1a56242505eb1f1a40ed436baa159edeea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:a862399cb53a74b7a798ff4e19b78512620640d02e1456baaa44181f2a117b5f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRO27403809
- Bitcoin block existence check
- https://blockstream.info/api/block/960150