ISRC USSF10300323
Verified recording
USSF10300323 is “The Legend of Boastful Bill by Charles Badger Clark” by Paul Zarzyski,
registered on the CopyrightChains blockchain with CopyrightID
0x4e9f814c309f9a1ffa4c8d0c41828c13e05dca564b6949fc69b11b5fe4978c7c 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/USSF10300323.
Recording identifiers
- ISRC
- USSF10300323
- Title
- The Legend of Boastful Bill by Charles Badger Clark
- Artist
- Paul Zarzyski
- CopyrightID (CopyrightChains transaction hash)
0x4e9f814c309f9a1ffa4c8d0c41828c13e05dca564b6949fc69b11b5fe4978c7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:17f33313309088cabb5061bbfbe59de6f392b675c6e2fecc5a9863bdcb781e50- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSF10300323
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Legend of Boastful Bill by Charles Badger Clark · Machine-readable JSON-LD