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 0xad776f1b25f3e9b062a988783b29993a408edf644dd28981931e84c31760850f. 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/516b7a6e-a58c-4583-a596-54588095ae5d.json and https://artists.proofprofile.net/proofs/artist/516b7a6e-a58c-4583-a596-54588095ae5d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mars Needs Women: Space Is a Lonely Place
A Celtic Medley (Meridian / Traveling Light / Salamander's Reel)
{"copyright_id":"0x307feffddefe0d0be68d20448d191febafa83f0981b4b5846f61be580073ecb6","isrc":"USWB19500708","name":"Bigfoot - Live Version","registered_at":"2026-06-29T08:36:55Z","spotify_id":"1EN718cMXCUqQdDMgVGz4C","type":"track"}
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 0x307feffddefe0d0be68d20448d191febafa83f0981b4b5846f61be580073ecb6. 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/1EN718cMXCUqQdDMgVGz4C.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/1EN718cMXCUqQdDMgVGz4C.
Early Reflection / Bach / The Ballad of Jed Clampett - Live Version
Interlude-Libation, the Water Ritual - Live Version
Flight of the Cosmic Hippo - Live Version
That Old Thing (Intro)/Earth Jam - Live at the Quick
Improv/Amazing Grace - Live at the Quick
Alash Khem (Alash River Song) - Live at the Quick
Improv/Prelude from Bach violin partita #3 - Live at the Quick
Fugue from Prelude & Fugue No. 20 in A Minor, BWV 889
Christmas Oratorio - BWV 248 # 41 "Ich Will Nur Zu Ehren Leben"
Lonesome Pine Special '91 (KXCI Broadcast)
Dueling Banjos>Royal Garden Blues - Live
A Celtic Medley: Meridian / Traveling Light / Salamander's Reel - Live
Old Jellico, Puddle Jumper, Dead Man's Hill
Songs of the Old West: Country & Bluegrass
{"copyright_id":"0xd72a4476a761d93dc11db23d0a30a62fdd8ae5a7439aa1d73791d77e2ff21ef1","isrc":"USWB19900654","name":"Plunky's Lament","registered_at":"2026-06-20T23:03:06Z","spotify_id":"5vQm4mu5CKpXdi7Ipon2rs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72a4476a761d93dc11db23d0a30a62fdd8ae5a7439aa1d73791d77e2ff21ef1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5vQm4mu5CKpXdi7Ipon2rs.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/5vQm4mu5CKpXdi7Ipon2rs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2735dc23e0d8e8237c2cc4d731a2a69ac614044013521e4b0fa01e7f429033. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Ryk5oOS32MWPfGVEPZJVE.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/2Ryk5oOS32MWPfGVEPZJVE.