ISRC NLA505601164
Verified recording
NLA505601164 is “Washington Post” by John Philip Sousa,
registered on the CopyrightChains blockchain with CopyrightID
0xe2936eb90eb558c1001b59867e3e7a863febe564331a5b25a6f254ecf65511ab and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA505601164.
Recording identifiers
- ISRC
- NLA505601164
- Title
- Washington Post
- Artist
- John Philip Sousa
- CopyrightID (CopyrightChains transaction hash)
0xe2936eb90eb558c1001b59867e3e7a863febe564331a5b25a6f254ecf65511ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a236955c7a35d0f6cd95fb302ece539ccac47f06f0ef85c6b15979d98226668e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA505601164
- Bitcoin block existence check
- https://blockstream.info/api/block/957118