ISRC GBBBA6660880
Verified recording
GBBBA6660880 is “Portobello Road - Mono Version” by Yusuf / Cat Stevens,
registered on the CopyrightChains blockchain with CopyrightID
0x18dccc5b8a949b2cf8cc2a32475e85ca566fa4aec8ea81cacd9032e4c2b21f57 and independently timestamped
in Bitcoin block 959128 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA6660880.
Recording identifiers
- ISRC
- GBBBA6660880
- Title
- Portobello Road - Mono Version
- Artist
- Yusuf / Cat Stevens
- CopyrightID (CopyrightChains transaction hash)
0x18dccc5b8a949b2cf8cc2a32475e85ca566fa4aec8ea81cacd9032e4c2b21f57
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T12:33:25+00:00
- Bitcoin block
- 959128
- Canonical record hash
sha256:9aa97bcc3e2eb5b839a2f5f75a5ca276038d2632aba48b143d82e3dd1aaa9a71- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA6660880
- Bitcoin block existence check
- https://blockstream.info/api/block/959128
Full record
Track page: Portobello Road - Mono Version · Machine-readable JSON-LD