ISRC QZXE42310318
Verified recording
QZXE42310318 is “Katheryn Finds the Letter” by Carl Weingarten,
registered on the CopyrightChains blockchain with CopyrightID
0xfc4dd547ef8fe1c965812dae2b845b0796b74230b1f2a621836caf7ad54e08ad and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZXE42310318.
Recording identifiers
- ISRC
- QZXE42310318
- Title
- Katheryn Finds the Letter
- Artist
- Carl Weingarten
- CopyrightID (CopyrightChains transaction hash)
0xfc4dd547ef8fe1c965812dae2b845b0796b74230b1f2a621836caf7ad54e08ad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:b74376a04755eecbe8e2daa7ccf8bf2a3342bf7ae3be9b13926e5862e8d47b10- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZXE42310318
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: Katheryn Finds the Letter · Machine-readable JSON-LD