ISRC USUM71712930
Verified recording
USUM71712930 is “The Ballad Medley - Live From Chicago Opera House/1955” by Oscar Peterson,
registered on the CopyrightChains blockchain with CopyrightID
0x7805981611b3ea39cac881ece7c93f79e4a1a6310f59f48a5795192ebc69e381 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71712930.
Recording identifiers
- ISRC
- USUM71712930
- Title
- The Ballad Medley - Live From Chicago Opera House/1955
- Artist
- Oscar Peterson
- CopyrightID (CopyrightChains transaction hash)
0x7805981611b3ea39cac881ece7c93f79e4a1a6310f59f48a5795192ebc69e381
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:d67b5dc07dde82724a1e4aee463608b755b8657075c1f55a841289a015786a1c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71712930
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: The Ballad Medley - Live From Chicago Opera House/1955 · Machine-readable JSON-LD