ISRC USTCZ0939251
Verified recording
USTCZ0939251 is “la Cumparsita” by SILENCIO tango orchestra,
registered on the CopyrightChains blockchain with CopyrightID
0xc02b496166677f6217bcb6abd41a947b88447f1217dbee5fba8acf6581a2e9b7 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTCZ0939251.
Recording identifiers
- ISRC
- USTCZ0939251
- Title
- la Cumparsita
- Artist
- SILENCIO tango orchestra
- CopyrightID (CopyrightChains transaction hash)
0xc02b496166677f6217bcb6abd41a947b88447f1217dbee5fba8acf6581a2e9b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:00ad83a64cf1061ecb64b2405c00484d979d8f909bcba26a7682ceba91a063b4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTCZ0939251
- Bitcoin block existence check
- https://blockstream.info/api/block/960334