ISRC QZFYW1979345
Verified recording
QZFYW1979345 is “Cardinal” by Fernando Otero,
registered on the CopyrightChains blockchain with CopyrightID
0xa741410d6e6e220cb8a2cd3069fe752c779c94cf540aff656a0bc4f8c13104aa and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYW1979345.
Recording identifiers
- ISRC
- QZFYW1979345
- Title
- Cardinal
- Artist
- Fernando Otero
- CopyrightID (CopyrightChains transaction hash)
0xa741410d6e6e220cb8a2cd3069fe752c779c94cf540aff656a0bc4f8c13104aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:d3268097c05ed772eaaee8e743d6a3c60cd160d8b180cfb6a3de2b6fa99f0a4a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYW1979345
- Bitcoin block existence check
- https://blockstream.info/api/block/960397