ISRC QM4TW1929493
Verified recording
QM4TW1929493 is “Refém da Solidão / Pra Que Chorar / Consolação” by Quarteto Em Cy,
registered on the CopyrightChains blockchain with CopyrightID
0x9c271c92a563b2044a103dc6915df12294e4fa5279d28445077f03a9f6308c11 and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1929493.
Recording identifiers
- ISRC
- QM4TW1929493
- Title
- Refém da Solidão / Pra Que Chorar / Consolação
- Artist
- Quarteto Em Cy
- CopyrightID (CopyrightChains transaction hash)
0x9c271c92a563b2044a103dc6915df12294e4fa5279d28445077f03a9f6308c11
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:c6945aece92a70755797d2199bf6351ac53e40acf075be98b4ebebd70368e498- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1929493
- Bitcoin block existence check
- https://blockstream.info/api/block/960157
Full record
Track page: Refém da Solidão / Pra Que Chorar / Consolação · Machine-readable JSON-LD