ISRC US92U1911181
Verified recording
US92U1911181 is “Nostalgia” by Ras Kass,
registered on the CopyrightChains blockchain with CopyrightID
0xd0ba8e4bb321a14a2c191af44a3fa271b8d3763c3921020860b63e6017ba7cba and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US92U1911181.
Recording identifiers
- ISRC
- US92U1911181
- Title
- Nostalgia
- Artist
- Ras Kass
- CopyrightID (CopyrightChains transaction hash)
0xd0ba8e4bb321a14a2c191af44a3fa271b8d3763c3921020860b63e6017ba7cba
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2ff5d56e08803782f2610eb141ac977e6feabaddfa62fc9203e2494d757b5a59- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US92U1911181
- Bitcoin block existence check
- https://blockstream.info/api/block/956304