ISRC GBSMU6751916
Verified recording
GBSMU6751916 is “Already Know” by tofû,
registered on the CopyrightChains blockchain with CopyrightID
0x588fc743ba53837445b631fc0d7fc22da6f8baa7a2075f6a4509e8ff9afd9db2 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU6751916.
Recording identifiers
- ISRC
- GBSMU6751916
- Title
- Already Know
- Artist
- tofû
- CopyrightID (CopyrightChains transaction hash)
0x588fc743ba53837445b631fc0d7fc22da6f8baa7a2075f6a4509e8ff9afd9db2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:599ad1908e3ef01757692c4dee9754d675a319716d1a1654bea190881e3e8c46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU6751916
- Bitcoin block existence check
- https://blockstream.info/api/block/956889