ISRC QZHN91982912
Verified recording
QZHN91982912 is “Those Days” by Crew Cardinal,
registered on the CopyrightChains blockchain with CopyrightID
0x562eb14c39940ba19a1604a11cf443ee8090b615ac4bbaf134b6bca44a1d0e5c and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN91982912.
Recording identifiers
- ISRC
- QZHN91982912
- Title
- Those Days
- Artist
- Crew Cardinal
- CopyrightID (CopyrightChains transaction hash)
0x562eb14c39940ba19a1604a11cf443ee8090b615ac4bbaf134b6bca44a1d0e5c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:ef41a212393e11a182cfddea6fee239cfa3bcda200cd807bf2bbb071f3cd1d57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN91982912
- Bitcoin block existence check
- https://blockstream.info/api/block/960368