ISRC USA370920766
Verified recording
USA370920766 is “Superman (Theme)” by John Williams,
registered on the CopyrightChains blockchain with CopyrightID
0xc2b57bc5d6c8731fa5481c9c53f5322700fd15dd3f051297a7c60147ee39e259 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370920766.
Recording identifiers
- ISRC
- USA370920766
- Title
- Superman (Theme)
- Artist
- John Williams
- CopyrightID (CopyrightChains transaction hash)
0xc2b57bc5d6c8731fa5481c9c53f5322700fd15dd3f051297a7c60147ee39e259
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7a1dcd9d1b48d452575de56b2785541e20d1bede19d406ed01fc165ffd841587- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370920766
- Bitcoin block existence check
- https://blockstream.info/api/block/956304