ISRC USRC16707682
Verified recording
USRC16707682 is “Windows” by John Hartford,
registered on the CopyrightChains blockchain with CopyrightID
0x4b4bebcb229a9e7909d3b235ea86b105ffd27f0240530cc427dfb253e4d64f46 and independently timestamped
in Bitcoin block 960229 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC16707682.
Recording identifiers
- ISRC
- USRC16707682
- Title
- Windows
- Artist
- John Hartford
- CopyrightID (CopyrightChains transaction hash)
0x4b4bebcb229a9e7909d3b235ea86b105ffd27f0240530cc427dfb253e4d64f46
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:65a49c256ec05d3291bab3a6ec1ced3a067013a34db7e0d7ed3a36547c848473- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC16707682
- Bitcoin block existence check
- https://blockstream.info/api/block/960229