ISRC QM4TW1773956
Verified recording
QM4TW1773956 is “Coisa Mais Triste” by Dolores Duran,
registered on the CopyrightChains blockchain with CopyrightID
0xb4e769df79a05e776eb3279fd2d34fce7a0eda9e375fa4c62a45c2ff36984532 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1773956.
Recording identifiers
- ISRC
- QM4TW1773956
- Title
- Coisa Mais Triste
- Artist
- Dolores Duran
- CopyrightID (CopyrightChains transaction hash)
0xb4e769df79a05e776eb3279fd2d34fce7a0eda9e375fa4c62a45c2ff36984532
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:ee8f10304e8ef7eb3e14a4404c9ccab06249546a1962ed55cb89cc894c04ea0a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1773956
- Bitcoin block existence check
- https://blockstream.info/api/block/960321