ISRC US38W1728217
Verified recording
US38W1728217 is “Head Play (Medley: You/Airmale/Fly) [Bonus Track]” by Yoko Ono,
registered on the CopyrightChains blockchain with CopyrightID
0x231f834bb975e019437138a82d1b254a09d416aa82ded21c8556fd176f1e3e25 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38W1728217.
Recording identifiers
- ISRC
- US38W1728217
- Title
- Head Play (Medley: You/Airmale/Fly) [Bonus Track]
- Artist
- Yoko Ono
- CopyrightID (CopyrightChains transaction hash)
0x231f834bb975e019437138a82d1b254a09d416aa82ded21c8556fd176f1e3e25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0a802bb2a02d5d6d338837ed54ea5c3ff45125dc3fa94c3bacf51492075e7525- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38W1728217
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Head Play (Medley: You/Airmale/Fly) [Bonus Track] · Machine-readable JSON-LD