ISRC GBUM70900383
Verified recording
GBUM70900383 is “The Sign of the Southern Cross” by Black Sabbath,
registered on the CopyrightChains blockchain with CopyrightID
0x5d621ce87f7d023d183ac599091a39c2b06d6d48680d734fee7fcf097c8c7c4e and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70900383.
Recording identifiers
- ISRC
- GBUM70900383
- Title
- The Sign of the Southern Cross
- Artist
- Black Sabbath
- CopyrightID (CopyrightChains transaction hash)
0x5d621ce87f7d023d183ac599091a39c2b06d6d48680d734fee7fcf097c8c7c4e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:c1473b6c48e91d86d47edecfcbbe5c11034efc8b6bfc2af7b35d2beca51246c9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70900383
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: The Sign of the Southern Cross · Machine-readable JSON-LD