ISRC USSM11402637
Verified recording
USSM11402637 is “When It's Sleepy Time Down South - Live at Newport Jazz Festival 1956” by Louis Armstrong,
registered on the CopyrightChains blockchain with CopyrightID
0xa2ea5618d9a5a746a6a62fcd094a452661641746c24191526448b620b590f408 and independently timestamped
in Bitcoin block 960370 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11402637.
Recording identifiers
- ISRC
- USSM11402637
- Title
- When It's Sleepy Time Down South - Live at Newport Jazz Festival 1956
- Artist
- Louis Armstrong
- CopyrightID (CopyrightChains transaction hash)
0xa2ea5618d9a5a746a6a62fcd094a452661641746c24191526448b620b590f408
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:38:45+00:00
- Bitcoin block
- 960370
- Canonical record hash
sha256:4c77c4ae8d775a474d7752642581c842c899da2d98498bf86e5b628a9453d35d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11402637
- Bitcoin block existence check
- https://blockstream.info/api/block/960370
Full record
Track page: When It's Sleepy Time Down South - Live at Newport Jazz Festival 1956 · Machine-readable JSON-LD