ISRC USJJX1800007
Verified recording
USJJX1800007 is “How Familiar” by Jeff Oster,
registered on the CopyrightChains blockchain with CopyrightID
0xa52bab401fc5aa74a0d41c1c99113bf7eda333dc4024482aa7a46e7411135693 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJJX1800007.
Recording identifiers
- ISRC
- USJJX1800007
- Title
- How Familiar
- Artist
- Jeff Oster
- CopyrightID (CopyrightChains transaction hash)
0xa52bab401fc5aa74a0d41c1c99113bf7eda333dc4024482aa7a46e7411135693
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:0cc7859f6588a86034d9b125914a7a02d8604f08e083e80ad441f6f810e01168- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJJX1800007
- Bitcoin block existence check
- https://blockstream.info/api/block/960144