ISRC USPR34300003
Verified recording
USPR34300003 is “I Never Knew” by Lester Young Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0xc72db5f0cd4554b32ef7e6f1908a24b76d73e359eb42a1b4389c26532c5ab38e and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR34300003.
Recording identifiers
- ISRC
- USPR34300003
- Title
- I Never Knew
- Artist
- Lester Young Quartet
- CopyrightID (CopyrightChains transaction hash)
0xc72db5f0cd4554b32ef7e6f1908a24b76d73e359eb42a1b4389c26532c5ab38e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:812cdd9a4213e89a8d115b2cc14760bcfa24a8b14d9bdc8e5c0d1daa791852e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR34300003
- Bitcoin block existence check
- https://blockstream.info/api/block/960397