ISRC GBK6Y2156403
Verified recording
GBK6Y2156403 is “Poison” by Classmatic,
registered on the CopyrightChains blockchain with CopyrightID
0xb42c36091d0c39f6ea80e46cc7542fc7d46276fc9662dab4721c4a78a7cb2921 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBK6Y2156403.
Recording identifiers
- ISRC
- GBK6Y2156403
- Title
- Poison
- Artist
- Classmatic
- CopyrightID (CopyrightChains transaction hash)
0xb42c36091d0c39f6ea80e46cc7542fc7d46276fc9662dab4721c4a78a7cb2921
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:9c5b6f02e67acf11076e1e064747f169f9f25c2f1ee79c109b0912ca0c7fe551- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBK6Y2156403
- Bitcoin block existence check
- https://blockstream.info/api/block/960144