ISRC GBUM71905966
Verified recording
GBUM71905966 is “Sad Lisa” by Yusuf / Cat Stevens,
registered on the CopyrightChains blockchain with CopyrightID
0xeda7f602932c21b80d95843ca570bcaf92f6fe9efb4a15f97923f1296b2eafa6 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/GBUM71905966.
Recording identifiers
- ISRC
- GBUM71905966
- Title
- Sad Lisa
- Artist
- Yusuf / Cat Stevens
- CopyrightID (CopyrightChains transaction hash)
0xeda7f602932c21b80d95843ca570bcaf92f6fe9efb4a15f97923f1296b2eafa6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:14831ae9b445cb27d5e9bd2a36b6c295a0972dd25366d6aa10f5f6afe8592122- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71905966
- Bitcoin block existence check
- https://blockstream.info/api/block/953513