ISRC DEN421621009
Verified recording
DEN421621009 is “Nothing Else Matters” by James Hetfield,
registered on the CopyrightChains blockchain with CopyrightID
0x1d19007bc5955ce3c13bbe9cf285145b2584125a92fe138366e7477f7a6b0839 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN421621009.
Recording identifiers
- ISRC
- DEN421621009
- Title
- Nothing Else Matters
- Artist
- James Hetfield
- CopyrightID (CopyrightChains transaction hash)
0x1d19007bc5955ce3c13bbe9cf285145b2584125a92fe138366e7477f7a6b0839
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:e316c2b9c1f64060ce37022138408520bc079ea96f79ce6807e2d7c928e3b9b7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN421621009
- Bitcoin block existence check
- https://blockstream.info/api/block/960144