ISRC UK9421900158
Verified recording
UK9421900158 is “Isn't It So” by David Holmes,
registered on the CopyrightChains blockchain with CopyrightID
0xfae2e23f82b8759a256724aacffc62f13b7cf95933c4b74bf300e3af4f18a95f and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK9421900158.
Recording identifiers
- ISRC
- UK9421900158
- Title
- Isn't It So
- Artist
- David Holmes
- CopyrightID (CopyrightChains transaction hash)
0xfae2e23f82b8759a256724aacffc62f13b7cf95933c4b74bf300e3af4f18a95f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:501fb9ecf12a5451b2f4f6eb5f013591aa6ed8269daa4931760794572332d716- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK9421900158
- Bitcoin block existence check
- https://blockstream.info/api/block/959159