ISRC GBUM72003761
Verified recording
GBUM72003761 is “Hard Headed Woman - Live At The Troubadour, Los Angeles, USA / 1970” by Yusuf / Cat Stevens,
registered on the CopyrightChains blockchain with CopyrightID
0x3b9f87f5186afb7801053b8cf0a1700e7420a9703a4efd3d4ef569d55bca77d1 and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72003761.
Recording identifiers
- ISRC
- GBUM72003761
- Title
- Hard Headed Woman - Live At The Troubadour, Los Angeles, USA / 1970
- Artist
- Yusuf / Cat Stevens
- CopyrightID (CopyrightChains transaction hash)
0x3b9f87f5186afb7801053b8cf0a1700e7420a9703a4efd3d4ef569d55bca77d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:3485d773666a922317e30880288772c8a3bb6fd6a9c8ed48132fc691ada13746- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72003761
- Bitcoin block existence check
- https://blockstream.info/api/block/956375
Full record
Track page: Hard Headed Woman - Live At The Troubadour, Los Angeles, USA / 1970 · Machine-readable JSON-LD