ISRC USAR20200103
Verified recording
USAR20200103 is “How Did You Know?” by Art Garfunkel,
registered on the CopyrightChains blockchain with CopyrightID
0x097f5f715fb6437817b10fb9f868a48f6cdbd529b3259a7955d6f894cab0968f 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/USAR20200103.
Recording identifiers
- ISRC
- USAR20200103
- Title
- How Did You Know?
- Artist
- Art Garfunkel
- CopyrightID (CopyrightChains transaction hash)
0x097f5f715fb6437817b10fb9f868a48f6cdbd529b3259a7955d6f894cab0968f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T08:30:10+00:00
- Bitcoin block
- 960229
- Canonical record hash
sha256:e81daa38e54b2bbd2510a31917a4ec423d4cf1fd5155913c008e1c2c1b93ac09- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR20200103
- Bitcoin block existence check
- https://blockstream.info/api/block/960229