ISRC NLRD52273554
Verified recording
NLRD52273554 is “Quarto Triste” by Nestor E Nestorzinho,
registered on the CopyrightChains blockchain with CopyrightID
0xde41d24f9b35bb2a9046cb35d19b0eb47cd7acee25f5fd6fdd98b1fde35eb1ea and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLRD52273554.
Recording identifiers
- ISRC
- NLRD52273554
- Title
- Quarto Triste
- Artist
- Nestor E Nestorzinho
- CopyrightID (CopyrightChains transaction hash)
0xde41d24f9b35bb2a9046cb35d19b0eb47cd7acee25f5fd6fdd98b1fde35eb1ea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:3952f1faec7bb97de4eba04bee1f794afd455d40cea3d7396f6ce2a0465b125c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLRD52273554
- Bitcoin block existence check
- https://blockstream.info/api/block/957120