ISRC QZK6J2470504
Verified recording
QZK6J2470504 is “Yesterday” by Spanish Ran,
registered on the CopyrightChains blockchain with CopyrightID
0x4cd14a3bd1823cb137f0f655da2ff4ac0a78e43886a7140a355c4cc747eb4de2 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2470504.
Recording identifiers
- ISRC
- QZK6J2470504
- Title
- Yesterday
- Artist
- Spanish Ran
- CopyrightID (CopyrightChains transaction hash)
0x4cd14a3bd1823cb137f0f655da2ff4ac0a78e43886a7140a355c4cc747eb4de2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:923ff011c92ee5c2944e1794f47c9640786686f22819c700144d31a4f61bfc64- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2470504
- Bitcoin block existence check
- https://blockstream.info/api/block/957118