ISRC USA5R1399206
Verified recording
USA5R1399206 is “The Washington Post March” by John Philip Sousa,
registered on the CopyrightChains blockchain with CopyrightID
0x03523c7b9b0969646e7f0b9bbbbf21dc99cdb5d66b49544aa41fb87a095047e8 and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA5R1399206.
Recording identifiers
- ISRC
- USA5R1399206
- Title
- The Washington Post March
- Artist
- John Philip Sousa
- CopyrightID (CopyrightChains transaction hash)
0x03523c7b9b0969646e7f0b9bbbbf21dc99cdb5d66b49544aa41fb87a095047e8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:ff8a691b1bce1e9987cffa32b0681b14d6ea77f050ac917d1f847fafb3ccac10- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA5R1399206
- Bitcoin block existence check
- https://blockstream.info/api/block/960410
Full record
Track page: The Washington Post March · Machine-readable JSON-LD