ISRC USUM71708083
Verified recording
USUM71708083 is “LEAN BACK” by SUR,
registered on the CopyrightChains blockchain with CopyrightID
0x2f973455929c0d111ad41fef96d3b598e96b7a39739f44de0732201c0a2df749 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71708083.
Recording identifiers
- ISRC
- USUM71708083
- Title
- LEAN BACK
- Artist
- SUR
- CopyrightID (CopyrightChains transaction hash)
0x2f973455929c0d111ad41fef96d3b598e96b7a39739f44de0732201c0a2df749
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ed67d60955011531dcab6a1686f8009bd55db2d71c0dc5df9a8e8665dfb62276- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71708083
- Bitcoin block existence check
- https://blockstream.info/api/block/956304