ISRC QMAAK1902725
Verified recording
QMAAK1902725 is “Blockheads” by Mark Lettieri,
registered on the CopyrightChains blockchain with CopyrightID
0x340b6c5c2533fcc76e7fadda5a19c13bce9a7bfccbf2f6ed208f3fdcf6794c88 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/QMAAK1902725.
Recording identifiers
- ISRC
- QMAAK1902725
- Title
- Blockheads
- Artist
- Mark Lettieri
- CopyrightID (CopyrightChains transaction hash)
0x340b6c5c2533fcc76e7fadda5a19c13bce9a7bfccbf2f6ed208f3fdcf6794c88
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:d43d818db3216ef5e549905fb56f50c0ae8450e2d8b97b104932a3d5fac19e85- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMAAK1902725
- Bitcoin block existence check
- https://blockstream.info/api/block/956304