ISRC GBLLH1645803
Verified recording
GBLLH1645803 is “Sir Christèmas” by William Mathias,
registered on the CopyrightChains blockchain with CopyrightID
0x9439b1ca1ba4328212a1b257e4048e3cf4aa126611717565778389e887ad26da 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/GBLLH1645803.
Recording identifiers
- ISRC
- GBLLH1645803
- Title
- Sir Christèmas
- Artist
- William Mathias
- CopyrightID (CopyrightChains transaction hash)
0x9439b1ca1ba4328212a1b257e4048e3cf4aa126611717565778389e887ad26da
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:8ad53a177d54459ffd24afc9d0e58d0a12554f03dd113c0ce285d7545f4b6350- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1645803
- Bitcoin block existence check
- https://blockstream.info/api/block/960138