ISRC USUM71911336
Verified recording
USUM71911336 is “Texas Polka” by Martha Tilton,
registered on the CopyrightChains blockchain with CopyrightID
0x40ee256ed2733a90e4d8b62862fa45a9cfb6306a5b057e273dfa5ee092a5fbf1 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/USUM71911336.
Recording identifiers
- ISRC
- USUM71911336
- Title
- Texas Polka
- Artist
- Martha Tilton
- CopyrightID (CopyrightChains transaction hash)
0x40ee256ed2733a90e4d8b62862fa45a9cfb6306a5b057e273dfa5ee092a5fbf1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ffb0ff5b56efcc90b90e36185c1caa0ccecbebdcc1530ad0188b0ec435d0ebc3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71911336
- Bitcoin block existence check
- https://blockstream.info/api/block/957118