ISRC QMFMF1402581
Verified recording
QMFMF1402581 is “The Problem” by 7eventhirty,
registered on the CopyrightChains blockchain with CopyrightID
0x66f7d73c5b693fb9b795e008bac5a23d96e4e4859e0315d0bcd8d3f3e361cd02 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/QMFMF1402581.
Recording identifiers
- ISRC
- QMFMF1402581
- Title
- The Problem
- Artist
- 7eventhirty
- CopyrightID (CopyrightChains transaction hash)
0x66f7d73c5b693fb9b795e008bac5a23d96e4e4859e0315d0bcd8d3f3e361cd02
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a5cf597f482e31a063255018d63bf977f1a994c15582dc02cd9f86103f53310f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMF1402581
- Bitcoin block existence check
- https://blockstream.info/api/block/957118