ISRC US7SF1352969
Verified recording
US7SF1352969 is “King of Spades - 1935 Version” by Peetie Wheatstraw,
registered on the CopyrightChains blockchain with CopyrightID
0xfffc9e0d9ef0ca9f9b46711796786c97c53a69a42fdebaf1b81c8b70eed26a85 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7SF1352969.
Recording identifiers
- ISRC
- US7SF1352969
- Title
- King of Spades - 1935 Version
- Artist
- Peetie Wheatstraw
- CopyrightID (CopyrightChains transaction hash)
0xfffc9e0d9ef0ca9f9b46711796786c97c53a69a42fdebaf1b81c8b70eed26a85
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1cca58158e4ec06b0627d432ab02609e59ae68265f04c79e115f127f5494b038- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7SF1352969
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: King of Spades - 1935 Version · Machine-readable JSON-LD