ISRC USUM72403103
Verified recording
USUM72403103 is “BIG VOICE” by Sam Tsui,
registered on the CopyrightChains blockchain with CopyrightID
0x5d885f31654163b1a9a83b0e70759a4f771749066e34d1e7536cf7ac2b7682fb and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72403103.
Recording identifiers
- ISRC
- USUM72403103
- Title
- BIG VOICE
- Artist
- Sam Tsui
- CopyrightID (CopyrightChains transaction hash)
0x5d885f31654163b1a9a83b0e70759a4f771749066e34d1e7536cf7ac2b7682fb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:12cd8f0ac215364275d7a5cbcd32540f7c534f83a001509b31ca45735875214d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72403103
- Bitcoin block existence check
- https://blockstream.info/api/block/957118