ISRC QZW9L2411076
Verified recording
QZW9L2411076 is “Preludio” by Castellanos,
registered on the CopyrightChains blockchain with CopyrightID
0x8c94d43fcc665630afcf39d25968ad1ae49635b0ed871909219724627f1aa4e5 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2411076.
Recording identifiers
- ISRC
- QZW9L2411076
- Title
- Preludio
- Artist
- Castellanos
- CopyrightID (CopyrightChains transaction hash)
0x8c94d43fcc665630afcf39d25968ad1ae49635b0ed871909219724627f1aa4e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:65d290653cebe5370725a53dd3aaf8e4c87a5df457239330a276b956aa481007- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2411076
- Bitcoin block existence check
- https://blockstream.info/api/block/960441