ISRC QM4TW1679005
Verified recording
QM4TW1679005 is “Niger” by Sebastião Antunes & Quadrilha,
registered on the CopyrightChains blockchain with CopyrightID
0x7ac50408a1c91e4d3bb4bd7e0bb6c1645ec6f2f68e59c1ce75dc3921b4c82611 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1679005.
Recording identifiers
- ISRC
- QM4TW1679005
- Title
- Niger
- Artist
- Sebastião Antunes & Quadrilha
- CopyrightID (CopyrightChains transaction hash)
0x7ac50408a1c91e4d3bb4bd7e0bb6c1645ec6f2f68e59c1ce75dc3921b4c82611
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:7311c519e918790bd66d1193afb890e123282c7aca18dd6941f5c5308c8334a8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1679005
- Bitcoin block existence check
- https://blockstream.info/api/block/960459