ISRC USM2U0804377
Verified recording
USM2U0804377 is “I Must Have That Man” by Annette Hanshaw and Her Sizzlin' Syncopators,
registered on the CopyrightChains blockchain with CopyrightID
0x9b6287ad2ce2339859e44c52843ecb0339ff799b46833ab4496777b633093745 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USM2U0804377.
Recording identifiers
- ISRC
- USM2U0804377
- Title
- I Must Have That Man
- Artist
- Annette Hanshaw and Her Sizzlin' Syncopators
- CopyrightID (CopyrightChains transaction hash)
0x9b6287ad2ce2339859e44c52843ecb0339ff799b46833ab4496777b633093745
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:8f3011346c5aff6d76e1b0bbf0c6b4697de286f74cce4865928ab0d1daa1df2c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USM2U0804377
- Bitcoin block existence check
- https://blockstream.info/api/block/960258