ISRC US23M0802004
Verified recording
US23M0802004 is “Call of the Champions” by John Williams,
registered on the CopyrightChains blockchain with CopyrightID
0xc5e4db764dc89d07a5f4c6e1b0ffd3daae67ce4335473555ee149d3a6fabe475 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/US23M0802004.
Recording identifiers
- ISRC
- US23M0802004
- Title
- Call of the Champions
- Artist
- John Williams
- CopyrightID (CopyrightChains transaction hash)
0xc5e4db764dc89d07a5f4c6e1b0ffd3daae67ce4335473555ee149d3a6fabe475
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:5acbf9db8ec367ab47c9f55dd324fd98d9e5e8ff719117b9141d4556133c14d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23M0802004
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Call of the Champions · Machine-readable JSON-LD