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 0x4c7812261e6fbd6b3c33e8034b0b7039ddcc4f610a1e6c4862177a1d0a505b95. 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/7288518b-7713-4ab3-8fa6-bf8cdb912d29.json and https://artists.proofprofile.net/proofs/artist/7288518b-7713-4ab3-8fa6-bf8cdb912d29.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Travelin' Man - Live At Metropolis, London / 2016 / Acoustic
Preachin' To The Choir - Live At Metropolis, London / 2016 / Acoustic
Sunday Morning - Live At Metropolis, London / 2016 / Acoustic
One Man Army - Live At Metropolis, London / 2016 / Acoustic
Bridges - Live At Metropolis, London / 2016 / Acoustic
First Time - Live At Metropolis, London / 2016 / Acoustic
Smoke - Live From Printer's Alley, Nashville / 2015
The Golden Rule (from “At home with the kids”)
A Song to Remember (Acoustic From Studio A)
A Song to Remember - Acoustic From Studio A
{"copyright_id":"0xd228f2efa9ccdd6cf11dd5da90aaed003741d52f53fe3106ace0611961f96e0b","isrc":"USAT21906336","name":"Every Time You Love Me","registered_at":"2026-06-29T10:10:22Z","spotify_id":"600ZKnzXDtfsf9BNpeCnN4","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 0xd228f2efa9ccdd6cf11dd5da90aaed003741d52f53fe3106ace0611961f96e0b. 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/600ZKnzXDtfsf9BNpeCnN4.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/600ZKnzXDtfsf9BNpeCnN4.
{"copyright_id":"0x281f3a9111e84f88adf282f242383dc2985194b7a9f6a66607550ddea14224df","isrc":"QM24S2307312","name":"Room Full of Strangers","registered_at":"2026-06-29T02:38:47Z","spotify_id":"1RbwxDHGvVvIzPkkUGHVYE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281f3a9111e84f88adf282f242383dc2985194b7a9f6a66607550ddea14224df. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1RbwxDHGvVvIzPkkUGHVYE.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/1RbwxDHGvVvIzPkkUGHVYE.
My Hero (Live Acoustic From Sienna Studios)
Smoke (Live Acoustic from Sienna Studios)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe492967d804c886e437d65eab58817f5b4ffb878827c7bcb3023b7fb9cc2c470. 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/5NexG0VD6a9SGNc0vYGJ51.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/5NexG0VD6a9SGNc0vYGJ51.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842fae1e56964b005e32ddba4a635d158665f8d27198304d085085a6415030fa. 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/1HPJYQlQCOPzqitsAMOxjZ.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/1HPJYQlQCOPzqitsAMOxjZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281f3a9111e84f88adf282f242383dc2985194b7a9f6a66607550ddea14224df. 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/0fFxJ2PJGbBx04f4jWiIQX.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/0fFxJ2PJGbBx04f4jWiIQX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842fae1e56964b005e32ddba4a635d158665f8d27198304d085085a6415030fa. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rbesVOxSc1zR0mRc4Dpqw.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/3rbesVOxSc1zR0mRc4Dpqw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281f3a9111e84f88adf282f242383dc2985194b7a9f6a66607550ddea14224df. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KBlWcasnXO9D0sGOss1go.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/0KBlWcasnXO9D0sGOss1go.
{"copyright_id":"0xb56ebace2a463356a67c887ee74c1500ee1e0f8ad8755b02bfed46d91e2e4a83","isrc":"QM6P42424530","name":"Storm That I Ride","registered_at":"2026-06-21T06:19:45Z","spotify_id":"2AGIWC2HAQTyyIuP4thWHD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb56ebace2a463356a67c887ee74c1500ee1e0f8ad8755b02bfed46d91e2e4a83. 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/2AGIWC2HAQTyyIuP4thWHD.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/2AGIWC2HAQTyyIuP4thWHD.
Drop in the Bucket (with A Thousand Horses)
{"copyright_id":"0xf260c770e90f76c60bc5d25c54d731e09962ebc1fe575a69a36af5c5ca094679","isrc":"US6XF2400221","name":"Drop in the Bucket (with A Thousand Horses)","registered_at":"2026-06-06T08:45:13Z","spotify_id":"4eZ46VFj9khXp0Qi0BCT5w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf260c770e90f76c60bc5d25c54d731e09962ebc1fe575a69a36af5c5ca094679. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4eZ46VFj9khXp0Qi0BCT5w.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/4eZ46VFj9khXp0Qi0BCT5w.