ISRC QM3DF2177821
Verified recording
QM3DF2177821 is “Uma Lágrima” by Joaquim e Manuel,
registered on the CopyrightChains blockchain with CopyrightID
0x93fe94c331d404e9b0e66f57a81337f4b7e523f55191b88c1842f7299f245e81 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM3DF2177821.
Recording identifiers
- ISRC
- QM3DF2177821
- Title
- Uma Lágrima
- Artist
- Joaquim e Manuel
- CopyrightID (CopyrightChains transaction hash)
0x93fe94c331d404e9b0e66f57a81337f4b7e523f55191b88c1842f7299f245e81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:29d3da7a13cb9b3b6ab2215925d1c37323af2b09e09f80dc4ac508eb874d9b26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM3DF2177821
- Bitcoin block existence check
- https://blockstream.info/api/block/960207