ISRC USAT21300540
Verified recording
USAT21300540 is “Smile” by Portugal. The Man,
registered on the CopyrightChains blockchain with CopyrightID
0xbf4e0eff655eb2ec6a5dfa7d98af2e25a2cc179c72ca0f5cdd17e5f8d6836e0c and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21300540.
Recording identifiers
- ISRC
- USAT21300540
- Title
- Smile
- Artist
- Portugal. The Man
- CopyrightID (CopyrightChains transaction hash)
0xbf4e0eff655eb2ec6a5dfa7d98af2e25a2cc179c72ca0f5cdd17e5f8d6836e0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:188c43c9d17061e95d452f36b4ea562080bd3abc31aeaa0de1a4f731da99434a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21300540
- Bitcoin block existence check
- https://blockstream.info/api/block/953513