ISRC USA561398781
Verified recording
USA561398781 is “El Quirquincho” by Osvaldo Torres,
registered on the CopyrightChains blockchain with CopyrightID
0x37880dee54b4ce8bff26aa8e6afed1c4ae4bc71d69ff8de4c39a3fb21f768897 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561398781.
Recording identifiers
- ISRC
- USA561398781
- Title
- El Quirquincho
- Artist
- Osvaldo Torres
- CopyrightID (CopyrightChains transaction hash)
0x37880dee54b4ce8bff26aa8e6afed1c4ae4bc71d69ff8de4c39a3fb21f768897
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:d959d7edeb6e44e5852821e8a434e7624e301de0150ac6b90665717a91e6001c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA561398781
- Bitcoin block existence check
- https://blockstream.info/api/block/960448