ISRC US6680913269
Verified recording
US6680913269 is “Knock Knock” by MED,
registered on the CopyrightChains blockchain with CopyrightID
0xf0cf159f86a7bc70f468f8d588fdc258466151adc00a8c29366e90ee879b6230 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6680913269.
Recording identifiers
- ISRC
- US6680913269
- Title
- Knock Knock
- Artist
- MED
- CopyrightID (CopyrightChains transaction hash)
0xf0cf159f86a7bc70f468f8d588fdc258466151adc00a8c29366e90ee879b6230
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:7e6750f17a07b613e3a312a5174a182f28b0e0d14546ad37dd76759850202891- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US6680913269
- Bitcoin block existence check
- https://blockstream.info/api/block/953513