ISRC USRZR0715609
Verified recording
USRZR0715609 is “Blue Christmas” by Tom Keifer,
registered on the CopyrightChains blockchain with CopyrightID
0x8758170a03d69521153581d0f38537ef6fbb7542d3e6e8986917c8519c616190 and independently timestamped
in Bitcoin block 957050 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRZR0715609.
Recording identifiers
- ISRC
- USRZR0715609
- Title
- Blue Christmas
- Artist
- Tom Keifer
- CopyrightID (CopyrightChains transaction hash)
0x8758170a03d69521153581d0f38537ef6fbb7542d3e6e8986917c8519c616190
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:41:13+00:00
- Bitcoin block
- 957050
- Canonical record hash
sha256:1194d7282b83512107d5122f8c12bb543426359b9557b8180da1c912dfca2211- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRZR0715609
- Bitcoin block existence check
- https://blockstream.info/api/block/957050