ISRC USUPK0521723
Verified recording
USUPK0521723 is “Broken Wings” by CRUCIFIX,
registered on the CopyrightChains blockchain with CopyrightID
0xcac7c7875c08ad7e48144763b3ca0465a1b15113072197954f156e343d49b651 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUPK0521723.
Recording identifiers
- ISRC
- USUPK0521723
- Title
- Broken Wings
- Artist
- CRUCIFIX
- CopyrightID (CopyrightChains transaction hash)
0xcac7c7875c08ad7e48144763b3ca0465a1b15113072197954f156e343d49b651
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:972833c946d6884a1aec058a3593e885b90823d513fc92febdd90f17d33a586e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUPK0521723
- Bitcoin block existence check
- https://blockstream.info/api/block/960138