ISRC GBF076521940
Verified recording
GBF076521940 is “I'm A Loser - Test Version Title” by John Lennon,
registered on the CopyrightChains blockchain with CopyrightID
0xd10439d066f49bd47b10f9b5acd39859030aec72bf1bbc9a3cbfb902a7043f54 and independently timestamped
in Bitcoin block 959132 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076521940.
Recording identifiers
- ISRC
- GBF076521940
- Title
- I'm A Loser - Test Version Title
- Artist
- John Lennon
- CopyrightID (CopyrightChains transaction hash)
0xd10439d066f49bd47b10f9b5acd39859030aec72bf1bbc9a3cbfb902a7043f54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T13:20:46+00:00
- Bitcoin block
- 959132
- Canonical record hash
sha256:38e4906148ca0c2df8283c5e3be7a39e8ea566e02f4a0a0bf91d06ff45162c50- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076521940
- Bitcoin block existence check
- https://blockstream.info/api/block/959132
Full record
Track page: I'm A Loser - Test Version Title · Machine-readable JSON-LD