ISRC USSM11303431
Verified recording
USSM11303431 is “Mack the Knife - Live at Newport Jazz Festival 1958” by Louis Armstrong,
registered on the CopyrightChains blockchain with CopyrightID
0xf58458f6be6f0df95a74e5b0b7fc95330765a3e9b84ff50996ba92356bd33c73 and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303431.
Recording identifiers
- ISRC
- USSM11303431
- Title
- Mack the Knife - Live at Newport Jazz Festival 1958
- Artist
- Louis Armstrong
- CopyrightID (CopyrightChains transaction hash)
0xf58458f6be6f0df95a74e5b0b7fc95330765a3e9b84ff50996ba92356bd33c73
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:d7442591d48424374773c363f39a028df2615e6be0372b8d86afa93a71fb1f36- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303431
- Bitcoin block existence check
- https://blockstream.info/api/block/960376
Full record
Track page: Mack the Knife - Live at Newport Jazz Festival 1958 · Machine-readable JSON-LD