ISRC USQX91201231
Verified recording
USQX91201231 is “Knock Knock” by Band of Horses,
registered on the CopyrightChains blockchain with CopyrightID
0x7a81f38f2f6dbdcf8ffd43c1a639a0e1e2d700fb6cb8c228f8233c278a32e32d 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/USQX91201231.
Recording identifiers
- ISRC
- USQX91201231
- Title
- Knock Knock
- Artist
- Band of Horses
- CopyrightID (CopyrightChains transaction hash)
0x7a81f38f2f6dbdcf8ffd43c1a639a0e1e2d700fb6cb8c228f8233c278a32e32d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:c6470c7f461a777ca164ce31871da2d6131338c09a272221beffdee0100f9849- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQX91201231
- Bitcoin block existence check
- https://blockstream.info/api/block/953520