ISRC QMKHM1700135
Verified recording
QMKHM1700135 is “Blackened” by Metallica,
registered on the CopyrightChains blockchain with CopyrightID
0x5277890a2b3be769c2fde3c2844f4a4b70415054530946985235ad0c338b849b and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMKHM1700135.
Recording identifiers
- ISRC
- QMKHM1700135
- Title
- Blackened
- Artist
- Metallica
- CopyrightID (CopyrightChains transaction hash)
0x5277890a2b3be769c2fde3c2844f4a4b70415054530946985235ad0c338b849b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:40caa4062b0a036234b018731307bb92627dea1d556c4325adb1f8b528ead9fc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMKHM1700135
- Bitcoin block existence check
- https://blockstream.info/api/block/953513