ISRC USFHW0600313
Verified recording
USFHW0600313 is “Firm Foundation” by Tuff Lion,
registered on the CopyrightChains blockchain with CopyrightID
0x09fd649ac4310940f99dd8310727561705e8e4cd6634bc6e36f83f36d08ebae2 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFHW0600313.
Recording identifiers
- ISRC
- USFHW0600313
- Title
- Firm Foundation
- Artist
- Tuff Lion
- CopyrightID (CopyrightChains transaction hash)
0x09fd649ac4310940f99dd8310727561705e8e4cd6634bc6e36f83f36d08ebae2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:8f8ffdae86a41c5bda5cda93fda8b87187022a51994f3c8a283ccad267be21ce- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFHW0600313
- Bitcoin block existence check
- https://blockstream.info/api/block/953520