1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07372645a96f7d85068c005736042ce3d47631d72ec03da92c0bb58dad9af5a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b29355f9-0b6f-4e80-970f-7449564b867e.json and https://artists.proofprofile.net/proofs/artist/b29355f9-0b6f-4e80-970f-7449564b867e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0eaa131c262d238ec8d4d36242ff9a1341b551d7d805d68cf07fc5711f9e912. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0aJnMiBxToa9JhQrulqWJq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0aJnMiBxToa9JhQrulqWJq.
{"copyright_id":"0xcd604f3f33fbf7b0c99d33c9d706c0eed22fa620a86e5aede3b33e95ab431bf1","isrc":"QZ6V41600003","name":"Spin Me Round","registered_at":"2026-06-28T21:16:41Z","spotify_id":"6m7Kx91tjDUefseKbMyjt3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd604f3f33fbf7b0c99d33c9d706c0eed22fa620a86e5aede3b33e95ab431bf1. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6m7Kx91tjDUefseKbMyjt3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6m7Kx91tjDUefseKbMyjt3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7c8964daeea898f78ceae922d36d76ed1608d7c92b1a6160f48c4207f5e131. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7apZjb4ydnzkzBI0FNgt3M.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7apZjb4ydnzkzBI0FNgt3M.
Take Your Records Home (Josh Story Remix)
Take Your Records Home - Josh Story Remix
Louise (Live at High Noon Saloon, Madison, WI 11/3/23)
Do You Want Me? (Live at Goldfield's Trading Post, Sacramento, CA 2/18/24)
Gas in the Tank: Mipso Live Across America 2023/2024
Hurt So Good (Live at Johnny Brenda's, Philadelphia, PA 11/19/23)
Edges Run (Live at Mississippi Studios, Portland, OR 2/24/24)
The Numbers (Live at Higher Ground, Burlington, VT 11/11/23)
People Change (Live at Fine Line, Minneapolis, MN 11/1/23)
My Burden With Me (Live at Fine Line, Minneapolis, MN 11/1/23)
Marianne (Live at Valley Bar, Phoenix, AZ 2/13/24)
Eliza (Live at The Ark, Ann Arbor, MI 11/5/23)
Big Star (Live at Terragram Ballroom, Los Angeles, CA 2/16/24)
A Couple Acres Greener (Live at Terragram Ballroom, Los Angeles, CA 2/16/24)
Squirrel Hunter (Live at High Noon Saloon, Madison, WI 11/3/23)
Starry Eyes / Book of Fools (Live at Tractor Tavern, Seattle, WA (2.22.24)
Radio Hell (Live at Tractor Tavern, Seattle, WA 2.22.24)
White Flag (Live at Tractor Tavern, Seattle, WA 2.22.24)
Called Out Loaded (Live at Bluebird Theater, Denver, CO 2/3/24)
Carolina Rolling By (Live at Great American Music Hall, San Francisco, CA 2/17/24)
Servant To It > Fire On The Mountain (Live at Bluebird Theater, Denver, CO 2/3/24)
Tunes from David Holt's State of Music 2