ISRC USL4Q2057884
Verified recording
USL4Q2057884 is “Tu” by Los Contrabandistas,
registered on the CopyrightChains blockchain with CopyrightID
0x544032f1ed331ed9ef7b0a040be01ddbea7b2b6a1f5c7742d913f9d6de552f97 and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2057884.
Recording identifiers
- ISRC
- USL4Q2057884
- Title
- Tu
- Artist
- Los Contrabandistas
- CopyrightID (CopyrightChains transaction hash)
0x544032f1ed331ed9ef7b0a040be01ddbea7b2b6a1f5c7742d913f9d6de552f97
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:003954d4af2f8e4670eded06bbd49a27effe1b7700010eae989bb617e57c73c6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2057884
- Bitcoin block existence check
- https://blockstream.info/api/block/960121