ISRC QZDA42370982
Verified recording
QZDA42370982 is “Unhappy” by Mass of Man,
registered on the CopyrightChains blockchain with CopyrightID
0xe1f8c1a91cd006502807530d9fd01691fc5e1673ea96d3f2a068bbe4f6cf0839 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42370982.
Recording identifiers
- ISRC
- QZDA42370982
- Title
- Unhappy
- Artist
- Mass of Man
- CopyrightID (CopyrightChains transaction hash)
0xe1f8c1a91cd006502807530d9fd01691fc5e1673ea96d3f2a068bbe4f6cf0839
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:dd95cf35ebdbbead061fd9c678f5b7814d1e1c243f0950fcd4763a7f34a8bd6d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42370982
- Bitcoin block existence check
- https://blockstream.info/api/block/953515