ISRC GBSMU7037843
Verified recording
GBSMU7037843 is “Heavy” by tofû,
registered on the CopyrightChains blockchain with CopyrightID
0x9cf8a4b2e7e5e6aad2d5c2c06387953ab6e6ecb89b4e8de5454c2a142838c424 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU7037843.
Recording identifiers
- ISRC
- GBSMU7037843
- Title
- Heavy
- Artist
- tofû
- CopyrightID (CopyrightChains transaction hash)
0x9cf8a4b2e7e5e6aad2d5c2c06387953ab6e6ecb89b4e8de5454c2a142838c424
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:a0980152e4c5525534dd8cd69fb44a360da13096ac630834e600c0a644c5f858- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU7037843
- Bitcoin block existence check
- https://blockstream.info/api/block/960222