ISRC QZW9M2249618
Verified recording
QZW9M2249618 is “Casamigos” by Leftside,
registered on the CopyrightChains blockchain with CopyrightID
0xa3acd32eb7adb69c027a00d34ca39d81a4d4c8a24ae888686bed3c78c7e164b1 and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2249618.
Recording identifiers
- ISRC
- QZW9M2249618
- Title
- Casamigos
- Artist
- Leftside
- CopyrightID (CopyrightChains transaction hash)
0xa3acd32eb7adb69c027a00d34ca39d81a4d4c8a24ae888686bed3c78c7e164b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:e220d9c71787fc7a5841b507452757be582dcdddf3fc2a5b622886babe54f3b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2249618
- Bitcoin block existence check
- https://blockstream.info/api/block/960302