ISRC NOFGG1627010
Verified recording
NOFGG1627010 is “Working Class Hero” by John Lennon,
registered on the CopyrightChains blockchain with CopyrightID
0x4a39a075580dc4731a2431de8f7983a5038fd1297898123745879f81bb7234b1 and independently timestamped
in Bitcoin block 960277 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFGG1627010.
Recording identifiers
- ISRC
- NOFGG1627010
- Title
- Working Class Hero
- Artist
- John Lennon
- CopyrightID (CopyrightChains transaction hash)
0x4a39a075580dc4731a2431de8f7983a5038fd1297898123745879f81bb7234b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:10:47+00:00
- Bitcoin block
- 960277
- Canonical record hash
sha256:c41a919d985a0b3b99326d10d964443e5208bbd0f87432c445971073b10be249- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOFGG1627010
- Bitcoin block existence check
- https://blockstream.info/api/block/960277