ISRC NLP711500080
Verified recording
NLP711500080 is “Semper Iuvenalis, George Washington Bicentennial March” by John Philip Sousa,
registered on the CopyrightChains blockchain with CopyrightID
0x9e2fe388617a85aa61b0607f3c1a64704f940266a87f0cc45b552750d2d3bfc0 and independently timestamped
in Bitcoin block 960430 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLP711500080.
Recording identifiers
- ISRC
- NLP711500080
- Title
- Semper Iuvenalis, George Washington Bicentennial March
- Artist
- John Philip Sousa
- CopyrightID (CopyrightChains transaction hash)
0x9e2fe388617a85aa61b0607f3c1a64704f940266a87f0cc45b552750d2d3bfc0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:09:41+00:00
- Bitcoin block
- 960430
- Canonical record hash
sha256:48950adf866d6a6e12678d3d8300b83870f8dbf4d274eed02503153244d2d074- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLP711500080
- Bitcoin block existence check
- https://blockstream.info/api/block/960430
Full record
Track page: Semper Iuvenalis, George Washington Bicentennial March · Machine-readable JSON-LD