ISRC USX761192212
Verified recording
USX761192212 is “Siboney” by Omara Portuondo,
registered on the CopyrightChains blockchain with CopyrightID
0xd279e02e5ef6f5e7bf4db5dd5c08394b1e69ac5e811781fd9a8c0c73e0d95fc7 and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761192212.
Recording identifiers
- ISRC
- USX761192212
- Title
- Siboney
- Artist
- Omara Portuondo
- CopyrightID (CopyrightChains transaction hash)
0xd279e02e5ef6f5e7bf4db5dd5c08394b1e69ac5e811781fd9a8c0c73e0d95fc7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:f6602a381294d8b74b611aeac1d4dc0a94126d7c2e8e555fc5973a6bc5793010- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761192212
- Bitcoin block existence check
- https://blockstream.info/api/block/960478