ISRC GBBBM8400019
Verified recording
GBBBM8400019 is “Last Christmas” by Wham!,
registered on the CopyrightChains blockchain with CopyrightID
0x0b94b78eac4495f1fea51a93b717313f6192bc931473baf9a0299e67698de89e and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBM8400019.
Recording identifiers
- ISRC
- GBBBM8400019
- Title
- Last Christmas
- Artist
- Wham!
- CopyrightID (CopyrightChains transaction hash)
0x0b94b78eac4495f1fea51a93b717313f6192bc931473baf9a0299e67698de89e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:1ead4308d7aca03c5d777fa71eb9f6a4d0cd09c3d1e1dbe1188091a367a42e77- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBM8400019
- Bitcoin block existence check
- https://blockstream.info/api/block/953513