ISRC QZFZ42268767
Verified recording
QZFZ42268767 is “two letters” by CASS,
registered on the CopyrightChains blockchain with CopyrightID
0x31fd55871c08043e5e18338db3f6447e37f82f0ab136fa2b96656f2fc155ec3c and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42268767.
Recording identifiers
- ISRC
- QZFZ42268767
- Title
- two letters
- Artist
- CASS
- CopyrightID (CopyrightChains transaction hash)
0x31fd55871c08043e5e18338db3f6447e37f82f0ab136fa2b96656f2fc155ec3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:84e153e66d80d7a4949a6b59d585c8dd9b4a5562feefe92980a9db5fc615393a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42268767
- Bitcoin block existence check
- https://blockstream.info/api/block/960099