ISRC USYFZ1667107
Verified recording
USYFZ1667107 is “Sleeper” by ERRA,
registered on the CopyrightChains blockchain with CopyrightID
0xc84a53c87f17fb2296ec82bbe657d682e695da3c1b30305cf74c64a6c094b456 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYFZ1667107.
Recording identifiers
- ISRC
- USYFZ1667107
- Title
- Sleeper
- Artist
- ERRA
- CopyrightID (CopyrightChains transaction hash)
0xc84a53c87f17fb2296ec82bbe657d682e695da3c1b30305cf74c64a6c094b456
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:37133f32573fd3c0eebd56df3d86c2e32cf097a88a38613a265bef513017809b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYFZ1667107
- Bitcoin block existence check
- https://blockstream.info/api/block/953515