ISRC QMKHM1700258
Verified recording
QMKHM1700258 is “Harvester of Sorrow - 1987 / From James' Riff Tapes” by Metallica,
registered on the CopyrightChains blockchain with CopyrightID
0x6b2b67b69135068927f728fcef40eba7714aab3ea30c21310e05385cb7a8b4f5 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMKHM1700258.
Recording identifiers
- ISRC
- QMKHM1700258
- Title
- Harvester of Sorrow - 1987 / From James' Riff Tapes
- Artist
- Metallica
- CopyrightID (CopyrightChains transaction hash)
0x6b2b67b69135068927f728fcef40eba7714aab3ea30c21310e05385cb7a8b4f5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f2e7fb93b99eb154d7212ed081313b38ae2f0a98357c58c7d018a43840adeb56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMKHM1700258
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Harvester of Sorrow - 1987 / From James' Riff Tapes · Machine-readable JSON-LD