ISRC USUM71707139
Verified recording
USUM71707139 is “Let's Call The Whole Thing Off” by Ella Fitzgerald,
registered on the CopyrightChains blockchain with CopyrightID
0x614fe52d97411d9bc7d343771596942c97f1c8d5b5fad311f747a01f198f7f4d and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71707139.
Recording identifiers
- ISRC
- USUM71707139
- Title
- Let's Call The Whole Thing Off
- Artist
- Ella Fitzgerald
- CopyrightID (CopyrightChains transaction hash)
0x614fe52d97411d9bc7d343771596942c97f1c8d5b5fad311f747a01f198f7f4d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b58b1901ac8e2033d807eb220270b11228c2948bcc19699bdbef9a564362e7bb- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71707139
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Let's Call The Whole Thing Off · Machine-readable JSON-LD