ISRC QZFZ71993208
Verified recording
QZFZ71993208 is “Cartagena Durag” by Graymatter,
registered on the CopyrightChains blockchain with CopyrightID
0x682abefc78093cd3256753c2cd2c182b55d433d05276794f5be6469c2299bc1e and independently timestamped
in Bitcoin block 960497 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ71993208.
Recording identifiers
- ISRC
- QZFZ71993208
- Title
- Cartagena Durag
- Artist
- Graymatter
- CopyrightID (CopyrightChains transaction hash)
0x682abefc78093cd3256753c2cd2c182b55d433d05276794f5be6469c2299bc1e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T02:22:04+00:00
- Bitcoin block
- 960497
- Canonical record hash
sha256:3d74536bc08b4eade6949518d2a45888b2689792ef680bbdac5070e762a09276- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ71993208
- Bitcoin block existence check
- https://blockstream.info/api/block/960497