ISRC USI4R0902722
Verified recording
USI4R0902722 is “Double Barrel” by Marco Polo,
registered on the CopyrightChains blockchain with CopyrightID
0x241a50e81e85d1a33d28afa433e388bbdd5dfdc88032e6cc846d8d117b1b2445 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/USI4R0902722.
Recording identifiers
- ISRC
- USI4R0902722
- Title
- Double Barrel
- Artist
- Marco Polo
- CopyrightID (CopyrightChains transaction hash)
0x241a50e81e85d1a33d28afa433e388bbdd5dfdc88032e6cc846d8d117b1b2445
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:456c77a0fd89971ea07f4bbdccfb3deb28d3637fcfe23fae2575cdfd8e96e400- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USI4R0902722
- Bitcoin block existence check
- https://blockstream.info/api/block/956304