ISRC BXJK02300067
Verified recording
BXJK02300067 is “Calma” by Marquinho no Beat,
registered on the CopyrightChains blockchain with CopyrightID
0x23725d4cd71304c5540c770a6c9e67cd672d77c2e20e97db1583816450ecb3a7 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXJK02300067.
Recording identifiers
- ISRC
- BXJK02300067
- Title
- Calma
- Artist
- Marquinho no Beat
- CopyrightID (CopyrightChains transaction hash)
0x23725d4cd71304c5540c770a6c9e67cd672d77c2e20e97db1583816450ecb3a7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:44579f7b995e766287e455f33bd9dc89051b506d6b024ed76a4ba571de641c2a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXJK02300067
- Bitcoin block existence check
- https://blockstream.info/api/block/956302