ISRC QM6MZ1782443
Verified recording
QM6MZ1782443 is “Antique Violences, Concerto for Trumpet: IV. The curtain calls” by John Mackey,
registered on the CopyrightChains blockchain with CopyrightID
0xa3dbd7b73d6f6017c7219df07cebff11e4f3db842da40dceda8ccc317c7437dd 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/QM6MZ1782443.
Recording identifiers
- ISRC
- QM6MZ1782443
- Title
- Antique Violences, Concerto for Trumpet: IV. The curtain calls
- Artist
- John Mackey
- CopyrightID (CopyrightChains transaction hash)
0xa3dbd7b73d6f6017c7219df07cebff11e4f3db842da40dceda8ccc317c7437dd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6adc57850d32426b1ff797d30e7bf3e3cc1fb83c80bfe6175ceed0ed334de431- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1782443
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Antique Violences, Concerto for Trumpet: IV. The curtain calls · Machine-readable JSON-LD