ISRC USUM70847296
Verified recording
USUM70847296 is “Down The Line - Undubbed Version” by Buddy Holly,
registered on the CopyrightChains blockchain with CopyrightID
0xf4f5f9b5f097658c0c9db5b22003e13c8ce0457db0f65df8ec5f25cd6ad15298 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/USUM70847296.
Recording identifiers
- ISRC
- USUM70847296
- Title
- Down The Line - Undubbed Version
- Artist
- Buddy Holly
- CopyrightID (CopyrightChains transaction hash)
0xf4f5f9b5f097658c0c9db5b22003e13c8ce0457db0f65df8ec5f25cd6ad15298
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:328d0dd2f41ab2e62f84404f4de90d4a2a21239d7bdbb05006cc11f4035d5e38- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70847296
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Down The Line - Undubbed Version · Machine-readable JSON-LD