ISRC US4LA0812507
Verified recording
US4LA0812507 is “Hold On (Live)” by John Kay,
registered on the CopyrightChains blockchain with CopyrightID
0x1d4bb7c2d12f09ec0075faa7334f99afaa6f8d00ce7c26ebfd3f9bfa78471f72 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4LA0812507.
Recording identifiers
- ISRC
- US4LA0812507
- Title
- Hold On (Live)
- Artist
- John Kay
- CopyrightID (CopyrightChains transaction hash)
0x1d4bb7c2d12f09ec0075faa7334f99afaa6f8d00ce7c26ebfd3f9bfa78471f72
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:6b4d5689d0a58965c08741920ed9cf0c0c59a01a562c79256c0a584d446ea194- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4LA0812507
- Bitcoin block existence check
- https://blockstream.info/api/block/960418