ISRC HKI190855707
Verified recording
HKI190855707 is “Superman: March (Superman)” by John Williams,
registered on the CopyrightChains blockchain with CopyrightID
0xbd8ee73a1f09b2e5907746ec14f30903a4bffcaab15aaf18c722258b2e7a12dd and independently timestamped
in Bitcoin block 957039 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190855707.
Recording identifiers
- ISRC
- HKI190855707
- Title
- Superman: March (Superman)
- Artist
- John Williams
- CopyrightID (CopyrightChains transaction hash)
0xbd8ee73a1f09b2e5907746ec14f30903a4bffcaab15aaf18c722258b2e7a12dd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T12:58:18+00:00
- Bitcoin block
- 957039
- Canonical record hash
sha256:8950ad68d4055638069a3dcb07ab68191f54854c15507f1d0e9b85a7dee8bc5f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190855707
- Bitcoin block existence check
- https://blockstream.info/api/block/957039
Full record
Track page: Superman: March (Superman) · Machine-readable JSON-LD