ISRC GBC4T2020287
Verified recording
GBC4T2020287 is “Blackhole” by Grum,
registered on the CopyrightChains blockchain with CopyrightID
0x61ea95e38493aceb6bfc2f73eff22a3e992ac8092c8b0b440fda3c963464f3b7 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBC4T2020287.
Recording identifiers
- ISRC
- GBC4T2020287
- Title
- Blackhole
- Artist
- Grum
- CopyrightID (CopyrightChains transaction hash)
0x61ea95e38493aceb6bfc2f73eff22a3e992ac8092c8b0b440fda3c963464f3b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:222ed9c4bc7d1061dca9d240911bfba4271c8cf485c9b0e7d4a8e46e2e0729eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBC4T2020287
- Bitcoin block existence check
- https://blockstream.info/api/block/960403