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 0xe7e658c928d0967d280600fa6a4cae124cdeab9827f91332ff980368cd12c210. 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/b192bdaa-33ef-4045-8fdd-da7a89ad1e59.json and https://artists.proofprofile.net/proofs/artist/b192bdaa-33ef-4045-8fdd-da7a89ad1e59.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Crucible - The Songs of Hunters & Collectors
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 0xb5f3d2e68a532b20d70b78a926546426136749b8a23ae0e3d479b9112f50087b. 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/5WdStzLlaFAnJoYREQw3n9.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/5WdStzLlaFAnJoYREQw3n9.
{"copyright_id":"0x9f098e45773caa6df6ddc9fa5dde5f5e96089f8fbb6ec70566d479c810bebe48","isrc":"AULI01387670","name":"This Morning","registered_at":"2026-06-18T18:39:26Z","spotify_id":"27vyTimzzWPZ0dPYfnwM9T","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f098e45773caa6df6ddc9fa5dde5f5e96089f8fbb6ec70566d479c810bebe48. 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/27vyTimzzWPZ0dPYfnwM9T.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/27vyTimzzWPZ0dPYfnwM9T.
{"copyright_id":"0xfe2de9263a5a87332ddd8d6a71eab3f3a5c7b6beda340835e59084ee84f210fd","isrc":"AULI01387720","name":"Holy Grail","registered_at":"2026-06-25T09:19:08Z","spotify_id":"0cYED2N8lt2lqTQVPO2jTP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe2de9263a5a87332ddd8d6a71eab3f3a5c7b6beda340835e59084ee84f210fd. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0cYED2N8lt2lqTQVPO2jTP.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/0cYED2N8lt2lqTQVPO2jTP.
Stalking to a Stranger - Planets Collide Remix
{"copyright_id":"0x4d0735df707a93a1c4c2bc06b3cebc1d153213974485996450b12ded67cc53c5","isrc":"AULI01387790","name":"Stalking to a Stranger - Planets Collide Remix","registered_at":"2026-06-09T18:57:15Z","spotify_id":"4s7v526bkXgHBbvodxB4nf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d0735df707a93a1c4c2bc06b3cebc1d153213974485996450b12ded67cc53c5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4s7v526bkXgHBbvodxB4nf.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/4s7v526bkXgHBbvodxB4nf.
{"copyright_id":"0xb96e0622fea9c34556020dfa7dfbe9e7b93e460ecf7c6d29fd55253d5da77b96","isrc":"AULI00507970","name":"Talking To A Stranger","registered_at":"2026-06-19T01:12:30Z","spotify_id":"3ORkNbKP4Ds3FKS115XKAD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb96e0622fea9c34556020dfa7dfbe9e7b93e460ecf7c6d29fd55253d5da77b96. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ORkNbKP4Ds3FKS115XKAD.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/3ORkNbKP4Ds3FKS115XKAD.
{"copyright_id":"0x940844d1a3ccf01bb1fef7f559e258607b7c5b0d65c80b35819447cd38450c23","isrc":"AULI00508340","name":"Throw Your Arms Around Me","registered_at":"2026-06-05T19:56:13Z","spotify_id":"3Y2KFQtvhXqFXr0OX8Ptsl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940844d1a3ccf01bb1fef7f559e258607b7c5b0d65c80b35819447cd38450c23. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Y2KFQtvhXqFXr0OX8Ptsl.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/3Y2KFQtvhXqFXr0OX8Ptsl.
Talking To A Stranger - Extended Mix / Blue Singlet Mix
Talking To A Stranger - Live at the Palais
Everything's On Fire - Live at the Palais
When The River Runs Dry - Live at the Palais
Do You See What I See? - Live at the Palais
{"copyright_id":"0x58a1b68c634f3e835790d7b5e79f636cfeb1ba91128cb9c22d359e2050d476e6","isrc":"AULI09800570","name":"Throw Your Arms Around Me - Live","registered_at":"2026-06-21T15:09:40Z","spotify_id":"2mgaKqApi8pNMw4lO9ngbH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58a1b68c634f3e835790d7b5e79f636cfeb1ba91128cb9c22d359e2050d476e6. 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/2mgaKqApi8pNMw4lO9ngbH.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/2mgaKqApi8pNMw4lO9ngbH.
The Slab - Live At The Continental Cafe / Acoustic
Say Goodbye - Live At The Continental Cafe / Acoustic
True Tears Of Joy - Live At The Continental Cafe / Acoustic
Throw Your Arms Around Me - Live At The Continental Cafe / Acoustic
Easy - Live At The Continental Cafe / Acoustic
Courtship Of America - Live At The Continental Cafe / Acoustic
Betrayer - Live At The Continental Cafe / Acoustic
Back In The Hole - Live At The Continental Cafe / Acoustic
Ladykiller - Live At The Continental Cafe / Acoustic
The Most Unoriginal Sin - Live At The Continental Cafe / Acoustic
Holy Grail - Live At The Continental Cafe / Acoustic
When The River Runs Dry - Live At The Continental Cafe / Acoustic
Do You See What I See? - Live At The Pubs
{"copyright_id":"0x6fc2cf99cb78e017db549946da9c6cbdfa228d75d0d4f2966ecf08f8695bd8f4","isrc":"AULI00508470","name":"Do You See What I See?","registered_at":"2026-06-08T00:46:27Z","spotify_id":"3ZLux2S2qOWBKbYHi6ruFb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fc2cf99cb78e017db549946da9c6cbdfa228d75d0d4f2966ecf08f8695bd8f4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ZLux2S2qOWBKbYHi6ruFb.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/3ZLux2S2qOWBKbYHi6ruFb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc03d6839f4c5b1dfd62db2bc7398a2fc08f6ec643fbe07c51da828b1d0c32204. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4BRD9sCRBsl3FA8Ef6Rd0R.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/4BRD9sCRBsl3FA8Ef6Rd0R.
{"copyright_id":"0x940844d1a3ccf01bb1fef7f559e258607b7c5b0d65c80b35819447cd38450c23","isrc":"AULI00508340","name":"Throw Your Arms Around Me","registered_at":"2026-06-05T19:56:13Z","spotify_id":"3rN42dIJsHhcpMP7guOeeo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940844d1a3ccf01bb1fef7f559e258607b7c5b0d65c80b35819447cd38450c23. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rN42dIJsHhcpMP7guOeeo.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/3rN42dIJsHhcpMP7guOeeo.
{"copyright_id":"0xb96e0622fea9c34556020dfa7dfbe9e7b93e460ecf7c6d29fd55253d5da77b96","isrc":"AULI00507970","name":"Talking To A Stranger","registered_at":"2026-06-19T01:12:30Z","spotify_id":"6LCN2uzk2KiZ84vAKMAb5t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb96e0622fea9c34556020dfa7dfbe9e7b93e460ecf7c6d29fd55253d5da77b96. 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/6LCN2uzk2KiZ84vAKMAb5t.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/6LCN2uzk2KiZ84vAKMAb5t.
{"copyright_id":"0xc2acb463e73bc92f7b28423a23a3ce00990e512a617e1c153726228baf19f9b3","isrc":"AULI00300680","name":"Do You See What I See?","registered_at":"2026-06-09T23:06:30Z","spotify_id":"1tRBi6lN4zSAJYBiXDOJCE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2acb463e73bc92f7b28423a23a3ce00990e512a617e1c153726228baf19f9b3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1tRBi6lN4zSAJYBiXDOJCE.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/1tRBi6lN4zSAJYBiXDOJCE.
{"copyright_id":"0xbe7065a9c0daf278455c10b98d9db1a405be4931b52d59b1521331cfe22aa318","isrc":"AULI00300690","name":"When The River Runs Dry","registered_at":"2026-06-08T01:27:08Z","spotify_id":"0ZPqvRsvLu0Pzn4RF0nlL1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe7065a9c0daf278455c10b98d9db1a405be4931b52d59b1521331cfe22aa318. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ZPqvRsvLu0Pzn4RF0nlL1.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/0ZPqvRsvLu0Pzn4RF0nlL1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680c7a3e2c17cee93fb6880051bb1ca63958cde8e14eb3885f2b1eb1257d45ec. 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/6SKTJP1m3HrwBKUCJIc15I.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/6SKTJP1m3HrwBKUCJIc15I.
{"copyright_id":"0x8fb8a2003ea6bb2deac32aea5ac9c4698aa7422497b174c0725e7149301d3fbc","isrc":"AULI00300710","name":"True Tears Of Joy - Remastered","registered_at":"2026-06-09T01:59:24Z","spotify_id":"5laNayCyzAMxIPLLgm1tuO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fb8a2003ea6bb2deac32aea5ac9c4698aa7422497b174c0725e7149301d3fbc. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5laNayCyzAMxIPLLgm1tuO.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/5laNayCyzAMxIPLLgm1tuO.
{"copyright_id":"0xea48e1ecfe08f48ec2fa201c4ba05fd065ff2b1709ed2ff619a75607d4644b08","isrc":"AULI00300720","name":"Where Do You Go","registered_at":"2026-06-22T22:32:13Z","spotify_id":"4wv5PfdZPd3dtHyzdDEQ55","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea48e1ecfe08f48ec2fa201c4ba05fd065ff2b1709ed2ff619a75607d4644b08. 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/4wv5PfdZPd3dtHyzdDEQ55.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/4wv5PfdZPd3dtHyzdDEQ55.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ce0199de34c7d9e477154b5021c7a91735a6a43a13cfb82ba3977d6773f4754. 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/2FPsER4Qd9JsfunkyuBoyX.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/2FPsER4Qd9JsfunkyuBoyX.