ISRC USMC15487041
Verified recording
USMC15487041 is “It Must Be So” by Peggy Lee,
registered on the CopyrightChains blockchain with CopyrightID
0xda1da49f1e280cdf30d3b44b381c9fb8d356fa092cf49bc914255796f8b5dd3c and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC15487041.
Recording identifiers
- ISRC
- USMC15487041
- Title
- It Must Be So
- Artist
- Peggy Lee
- CopyrightID (CopyrightChains transaction hash)
0xda1da49f1e280cdf30d3b44b381c9fb8d356fa092cf49bc914255796f8b5dd3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:c12762576e07864cb96cf712644156710eca7cc9a9af984c5d92086e48fbaac2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC15487041
- Bitcoin block existence check
- https://blockstream.info/api/block/960327