ISRC GBBBA4360311
Verified recording
GBBBA4360311 is “You'll never know - (from the film 'Hello, Frisco, hello' (1943)” by Harry Warren,
registered on the CopyrightChains blockchain with CopyrightID
0xda38410e2ac741145a50f87cd2f21deaa11d209f7f1e2893f00aa8c20bae4ed3 and independently timestamped
in Bitcoin block 957052 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA4360311.
Recording identifiers
- ISRC
- GBBBA4360311
- Title
- You'll never know - (from the film 'Hello, Frisco, hello' (1943)
- Artist
- Harry Warren
- CopyrightID (CopyrightChains transaction hash)
0xda38410e2ac741145a50f87cd2f21deaa11d209f7f1e2893f00aa8c20bae4ed3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:50:41+00:00
- Bitcoin block
- 957052
- Canonical record hash
sha256:f1b6c4dd17bdca59cfde0abb8f31fc45e85d9cbc6ab4076d5a10781154b0de0d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA4360311
- Bitcoin block existence check
- https://blockstream.info/api/block/957052
Full record
Track page: You'll never know - (from the film 'Hello, Frisco, hello' (1943) · Machine-readable JSON-LD