ISRC GBF078330708

Verified recording

GBF078330708 is “Washington Post” by John Philip Sousa, registered on the CopyrightChains blockchain with CopyrightID 0xb41b897197471c67b9b4ccfa189ef488d5a289d9a9b57bc18fcfaf75c003c634 and independently timestamped in Bitcoin block 960348 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078330708.

Recording identifiers

ISRC
GBF078330708
Title
Washington Post
Artist
John Philip Sousa
CopyrightID (CopyrightChains transaction hash)
0xb41b897197471c67b9b4ccfa189ef488d5a289d9a9b57bc18fcfaf75c003c634

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02+00:00
Bitcoin block
960348
Canonical record hash
sha256:58f72a826a92db599c5c13ce73ea175fb0ff168f478c8cd9cf69c4f58b3743e5
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078330708
Bitcoin block existence check
https://blockstream.info/api/block/960348

Full record

Track page: Washington Post · Machine-readable JSON-LD