ISRC CA5KR2005327
Verified recording
CA5KR2005327 is “Guinguinha” by Maria-Teresa Martinho,
registered on the CopyrightChains blockchain with CopyrightID
0xf246be5349c09e1b3487f7569c7b9fbdd1b31ac8611c5b106354707abc7be749 and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2005327.
Recording identifiers
- ISRC
- CA5KR2005327
- Title
- Guinguinha
- Artist
- Maria-Teresa Martinho
- CopyrightID (CopyrightChains transaction hash)
0xf246be5349c09e1b3487f7569c7b9fbdd1b31ac8611c5b106354707abc7be749
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:a1c71e22bff4032ebf79a6c1cb4399175b6f56f3788788c96bac577fc226763c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2005327
- Bitcoin block existence check
- https://blockstream.info/api/block/960463