ISRC USSM10905703
Verified recording
USSM10905703 is “Assassin” by John Mayer,
registered on the CopyrightChains blockchain with CopyrightID
0x249b3efdcaa327ec6da19a21dd6c8d6cc2fb1c8b436557e6cb52bf6351a8030a 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/USSM10905703.
Recording identifiers
- ISRC
- USSM10905703
- Title
- Assassin
- Artist
- John Mayer
- CopyrightID (CopyrightChains transaction hash)
0x249b3efdcaa327ec6da19a21dd6c8d6cc2fb1c8b436557e6cb52bf6351a8030a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:f0e5dab69a9a80313f36b860f0d0fa2301d14f1334d18a0c5376320c4853e670- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10905703
- Bitcoin block existence check
- https://blockstream.info/api/block/953513