ISRC USC4R1201094
Verified recording
USC4R1201094 is “What Child Is This” by Vince Guaraldi Trio,
registered on the CopyrightChains blockchain with CopyrightID
0x49db41d85f891f9125c73b9a062a7254a77ae7948ec2b28d3d514fc57387e805 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R1201094.
Recording identifiers
- ISRC
- USC4R1201094
- Title
- What Child Is This
- Artist
- Vince Guaraldi Trio
- CopyrightID (CopyrightChains transaction hash)
0x49db41d85f891f9125c73b9a062a7254a77ae7948ec2b28d3d514fc57387e805
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:72b1d8a1ab50053f3135ac4087c36cc19772846293699bd6a8b18f4b5e637fd4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USC4R1201094
- Bitcoin block existence check
- https://blockstream.info/api/block/956889