ISRC GBUM70900626
Verified recording
GBUM70900626 is “Keep It Warm” by Black Sabbath,
registered on the CopyrightChains blockchain with CopyrightID
0xf3db660c894d66d6bfcbb7f7e683f5fc5edc9dbf196304030f88dd10982241d0 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70900626.
Recording identifiers
- ISRC
- GBUM70900626
- Title
- Keep It Warm
- Artist
- Black Sabbath
- CopyrightID (CopyrightChains transaction hash)
0xf3db660c894d66d6bfcbb7f7e683f5fc5edc9dbf196304030f88dd10982241d0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:2c1315f31add9c9fcb8790cc18c8199dc2b2c596fa8e2fb8ce9df3991a75c1e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70900626
- Bitcoin block existence check
- https://blockstream.info/api/block/953520