ISRC USPQM1618903
Verified recording
USPQM1618903 is “Nigredo” by Biznaga,
registered on the CopyrightChains blockchain with CopyrightID
0x6dca3fd457fc4c72e4adff71a457a2cea976f65c12326460a2de66a81c42235a and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPQM1618903.
Recording identifiers
- ISRC
- USPQM1618903
- Title
- Nigredo
- Artist
- Biznaga
- CopyrightID (CopyrightChains transaction hash)
0x6dca3fd457fc4c72e4adff71a457a2cea976f65c12326460a2de66a81c42235a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:3c87308243e2136705ef122b3b3784a803e8ba70090d9913b5eaa5f5578233bf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPQM1618903
- Bitcoin block existence check
- https://blockstream.info/api/block/953520