ISRC USFI86900582
Verified recording
USFI86900582 is “Double Or Nothing” by The Mar-Keys,
registered on the CopyrightChains blockchain with CopyrightID
0x34c48921fdee6a40187695f0226e91a515441d840684d7115329a9170edd2e4a 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/USFI86900582.
Recording identifiers
- ISRC
- USFI86900582
- Title
- Double Or Nothing
- Artist
- The Mar-Keys
- CopyrightID (CopyrightChains transaction hash)
0x34c48921fdee6a40187695f0226e91a515441d840684d7115329a9170edd2e4a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5c0c47a4de68fcfa0c92ca1245334e860d56c3627a4c7979e926d7debcac2c3f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFI86900582
- Bitcoin block existence check
- https://blockstream.info/api/block/957118