ISRC US25X0900306
Verified recording
US25X0900306 is “Heavyweights Round 4” by Abstract Rude,
registered on the CopyrightChains blockchain with CopyrightID
0xdc50154ffc9eb70f04473d64406592f2f92f22d7ffe6c45d7d7b2ecb4d3f4f33 and independently timestamped
in Bitcoin block 960121 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US25X0900306.
Recording identifiers
- ISRC
- US25X0900306
- Title
- Heavyweights Round 4
- Artist
- Abstract Rude
- CopyrightID (CopyrightChains transaction hash)
0xdc50154ffc9eb70f04473d64406592f2f92f22d7ffe6c45d7d7b2ecb4d3f4f33
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:22:21+00:00
- Bitcoin block
- 960121
- Canonical record hash
sha256:ba149877c1048cbf67a022a89c4c242c3f50fc9733908bbcfaed1809178f9c96- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US25X0900306
- Bitcoin block existence check
- https://blockstream.info/api/block/960121