ISRC GB5KW2203573
Verified recording
GB5KW2203573 is “Sign of the Southern Cross / Heaven and Hell - Live at Portland Memorial Coliseum, Portland, OR, USA 22nd April 1982” by Black Sabbath,
registered on the CopyrightChains blockchain with CopyrightID
0xdc8979133962d0146e38e2f471d76b0447513df96c6ecd937318dda00ed1b0e2 and independently timestamped
in Bitcoin block 956891 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB5KW2203573.
Recording identifiers
- ISRC
- GB5KW2203573
- Title
- Sign of the Southern Cross / Heaven and Hell - Live at Portland Memorial Coliseum, Portland, OR, USA 22nd April 1982
- Artist
- Black Sabbath
- CopyrightID (CopyrightChains transaction hash)
0xdc8979133962d0146e38e2f471d76b0447513df96c6ecd937318dda00ed1b0e2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T07:16:32+00:00
- Bitcoin block
- 956891
- Canonical record hash
sha256:70fe74ecc13e18b1efa93e4d4a2fc0e25a76007b574963aef60f62077ab0f895- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB5KW2203573
- Bitcoin block existence check
- https://blockstream.info/api/block/956891
Full record
Track page: Sign of the Southern Cross / Heaven and Hell - Live at Portland Memorial Coliseum, Portland, OR, USA 22nd April 1982 · Machine-readable JSON-LD