ISRC GBBBA6760940
Verified recording
GBBBA6760940 is “School Is Out - Mono version” by Yusuf / Cat Stevens,
registered on the CopyrightChains blockchain with CopyrightID
0x8ddd276887071c8f956d0aa6c8845066343f8ba294174f070d5836723b46a221 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA6760940.
Recording identifiers
- ISRC
- GBBBA6760940
- Title
- School Is Out - Mono version
- Artist
- Yusuf / Cat Stevens
- CopyrightID (CopyrightChains transaction hash)
0x8ddd276887071c8f956d0aa6c8845066343f8ba294174f070d5836723b46a221
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:9ae9d538490c62fb434447f67240efc4ff8075f4050a039c1819fa4de4bd04a9- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA6760940
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: School Is Out - Mono version · Machine-readable JSON-LD