ISRC CAT4V2100011
Verified recording
CAT4V2100011 is “All I Want for Christmas Is You / Christmas” by QW4RTZ,
registered on the CopyrightChains blockchain with CopyrightID
0x4f4031e7d5b75ab58e9b7d4ac77e4fe930441bb99610d5618c9f888e4d1b63a4 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAT4V2100011.
Recording identifiers
- ISRC
- CAT4V2100011
- Title
- All I Want for Christmas Is You / Christmas
- Artist
- QW4RTZ
- CopyrightID (CopyrightChains transaction hash)
0x4f4031e7d5b75ab58e9b7d4ac77e4fe930441bb99610d5618c9f888e4d1b63a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:9764adef954d7c4e509d4be8165d39d3fb7faa3c3a021d974e71a26066d23a48- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAT4V2100011
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: All I Want for Christmas Is You / Christmas · Machine-readable JSON-LD