ISRC US74V1801111
Verified recording
US74V1801111 is “Hold Your Head Up” by John Kay & Steppenwolf,
registered on the CopyrightChains blockchain with CopyrightID
0xe82e3ab2ba3b6c6f0cb54f352622d4cd706a7af529b20c4cb3d6072e5f5dccd2 and independently timestamped
in Bitcoin block 959152 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US74V1801111.
Recording identifiers
- ISRC
- US74V1801111
- Title
- Hold Your Head Up
- Artist
- John Kay & Steppenwolf
- CopyrightID (CopyrightChains transaction hash)
0xe82e3ab2ba3b6c6f0cb54f352622d4cd706a7af529b20c4cb3d6072e5f5dccd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:23:52+00:00
- Bitcoin block
- 959152
- Canonical record hash
sha256:5d0a89ee1ce48bb146cd444a733a87512f2dcc86966abe9308313e1e639b8bc2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US74V1801111
- Bitcoin block existence check
- https://blockstream.info/api/block/959152