ISRC GBMA21857553
Verified recording
GBMA21857553 is “Say No” by Big Zuu,
registered on the CopyrightChains blockchain with CopyrightID
0x6d0f8d60c923b8e224cc910844de25b097d9c97bce7c1e92839544bfe68d9ed7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMA21857553.
Recording identifiers
- ISRC
- GBMA21857553
- Title
- Say No
- Artist
- Big Zuu
- CopyrightID (CopyrightChains transaction hash)
0x6d0f8d60c923b8e224cc910844de25b097d9c97bce7c1e92839544bfe68d9ed7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:254fb26cb382c929d1043c87d55d72e55e5b513201ed1fa74c75ffd9c443c582- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMA21857553
- Bitcoin block existence check
- https://blockstream.info/api/block/956304