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 0xb50c1477900d886c4a6fdcc7d6bf3f762829567d7437dd840e9d3d17d3466778. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4c0f5a33-3c1c-493f-b2ec-acee3dabd704.json and https://artists.proofprofile.net/proofs/artist/4c0f5a33-3c1c-493f-b2ec-acee3dabd704.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Popular - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0x34c288b1893763f76235095cb88a0560a24b495fb67a9f25d87cb60a94ccda6e","isrc":"USUMC0300208","name":"Popular - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-01T22:38:52Z","spotify_id":"5z46NBsndcpz5sdywfdqul","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 0x34c288b1893763f76235095cb88a0560a24b495fb67a9f25d87cb60a94ccda6e. 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/5z46NBsndcpz5sdywfdqul.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/5z46NBsndcpz5sdywfdqul.
Dancing Through Life - From "Wicked" Original Broadway Cast Recording/2003
Wicked (Original Broadway Cast Recording / Deluxe Edition)
{"copyright_id":"0x4846be9ca19fcf040a10f01a5a2df20e7bdcd7d4e1bdeb00d7a41d1ed0e03945","isrc":"USUMC0300209","name":"Dancing Through Life - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T06:02:31Z","spotify_id":"45Yr7rD2vH3OsTRseT6gfA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4846be9ca19fcf040a10f01a5a2df20e7bdcd7d4e1bdeb00d7a41d1ed0e03945. 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/45Yr7rD2vH3OsTRseT6gfA.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/45Yr7rD2vH3OsTRseT6gfA.
For Good - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0xbb45b0b04bcfb1451cc8d34fe3dc90aca65a184adaaf023bb1c8f8a1e080d466","isrc":"USUMC0300225","name":"For Good - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-03T01:01:07Z","spotify_id":"46UIRyvRZx9TW5Y5jz13Y8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb45b0b04bcfb1451cc8d34fe3dc90aca65a184adaaf023bb1c8f8a1e080d466. 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/46UIRyvRZx9TW5Y5jz13Y8.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/46UIRyvRZx9TW5Y5jz13Y8.
What Is This Feeling? - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0xaa6692bf6a6f8d13778919c06b4d64bc8b6ae8b938b369dfb2f7e99dc4e1961c","isrc":"USUMC0300214","name":"What Is This Feeling? - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-03T03:41:36Z","spotify_id":"1WitAaRV8SMreQaNLcBjdQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa6692bf6a6f8d13778919c06b4d64bc8b6ae8b938b369dfb2f7e99dc4e1961c. 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/1WitAaRV8SMreQaNLcBjdQ.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/1WitAaRV8SMreQaNLcBjdQ.
As Long As You're Mine - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0x5efbb5d28f733489c7dd1c0e0cd6284ce2146e766949a5b12c717726dee84f4c","isrc":"USUMC0300222","name":"As Long As You're Mine - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T05:56:35Z","spotify_id":"7esLFdmyCQMjiLxpnHSF09","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5efbb5d28f733489c7dd1c0e0cd6284ce2146e766949a5b12c717726dee84f4c. 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/7esLFdmyCQMjiLxpnHSF09.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/7esLFdmyCQMjiLxpnHSF09.
I'm Not That Girl - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0xc1c76a273f699ea757dba64531008ff745b9ea3658b2f41b4282ea54ee4a27cd","isrc":"USUMC0300216","name":"I'm Not That Girl - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T06:47:55Z","spotify_id":"6eRV2uv4DWyZn9dNXn5xX4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c76a273f699ea757dba64531008ff745b9ea3658b2f41b4282ea54ee4a27cd. 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/6eRV2uv4DWyZn9dNXn5xX4.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/6eRV2uv4DWyZn9dNXn5xX4.
March Of The Witch Hunters - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0x46716f3652209ed73692a1660cac8fac9f5d0985aa11b81b5d487277f3960de0","isrc":"USUMC0300224","name":"March Of The Witch Hunters - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T08:06:46Z","spotify_id":"1WwNbVq9oKwHc2gKgR0K6H","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46716f3652209ed73692a1660cac8fac9f5d0985aa11b81b5d487277f3960de0. 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/1WwNbVq9oKwHc2gKgR0K6H.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/1WwNbVq9oKwHc2gKgR0K6H.
Something Bad - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0x964cc9a1ea47777d31443a5a97f49dfdb3ac60846207dbe17b6c8cd450b26ede","isrc":"USUMC0300215","name":"Something Bad - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T08:25:56Z","spotify_id":"2hmtgEoaSzfQ7l8jXOeOvh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x964cc9a1ea47777d31443a5a97f49dfdb3ac60846207dbe17b6c8cd450b26ede. 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/2hmtgEoaSzfQ7l8jXOeOvh.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/2hmtgEoaSzfQ7l8jXOeOvh.
Thank Goodness - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0x632edb34e4b6bd53e057f250feaafff9a9d3b1834246aa3ded5051958d05493f","isrc":"USUMC0300220","name":"Thank Goodness - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T06:33:43Z","spotify_id":"0zdjVFe5tqhgJVXLkvA8FX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x632edb34e4b6bd53e057f250feaafff9a9d3b1834246aa3ded5051958d05493f. 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/0zdjVFe5tqhgJVXLkvA8FX.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/0zdjVFe5tqhgJVXLkvA8FX.
Wonderful - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0x7d084f3990cd4a1a9bea1dc8db3bd33523ab83b178967570ef62b45094b8de68","isrc":"USUMC0300211","name":"Wonderful - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T08:25:48Z","spotify_id":"6MXPYM9dv0CGCwTE9ADhJ2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d084f3990cd4a1a9bea1dc8db3bd33523ab83b178967570ef62b45094b8de68. 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/6MXPYM9dv0CGCwTE9ADhJ2.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/6MXPYM9dv0CGCwTE9ADhJ2.
Dear Old Shiz - From "Wicked" Original Broadway Cast Recording/2003
{"copyright_id":"0x4fe73846ae97927cbd7ec1b371bcde10698e23f7026d61704bd030dbb409a970","isrc":"USUMC0300212","name":"Dear Old Shiz - From \"Wicked\" Original Broadway Cast Recording/2003","registered_at":"2026-06-04T08:04:16Z","spotify_id":"5x8LLwSZclrtW6TW5WyBAw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fe73846ae97927cbd7ec1b371bcde10698e23f7026d61704bd030dbb409a970. 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/5x8LLwSZclrtW6TW5WyBAw.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/5x8LLwSZclrtW6TW5WyBAw.
Vivo (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff28d0ee798c3bebdadf09619031fa396b626319493f423ec9037341692597ce. 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/6ElXacGlxAUKxgZrFXn4DW.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/6ElXacGlxAUKxgZrFXn4DW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a4d1bc4c33e95af5c35b4e348b123ccb1c69222d213484002f523d1aa4da567. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1PeD8mo8MsZcmKHUyP06tw.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/1PeD8mo8MsZcmKHUyP06tw.
{"copyright_id":"0x101773dfb58ff9b24f9478cde03f4ff867a7595ec504c6b812892d3f30738d5b","isrc":"USAT22103699","name":"La Colecta/Suitcase Of Memories","registered_at":"2026-06-08T02:27:16Z","spotify_id":"1GqmLI9Y0lXq4T80pN6sti","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x101773dfb58ff9b24f9478cde03f4ff867a7595ec504c6b812892d3f30738d5b. 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/1GqmLI9Y0lXq4T80pN6sti.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/1GqmLI9Y0lXq4T80pN6sti.
{"copyright_id":"0x60b61bedf076d8d5aaccd3fb9cc3a95a31f2c983910aee5d3b8f8fc617ea3c7a","isrc":"USAT22103700","name":"Vivo Comes Around","registered_at":"2026-06-07T19:14:10Z","spotify_id":"43lulk81EZGt7BsMAyFWdK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b61bedf076d8d5aaccd3fb9cc3a95a31f2c983910aee5d3b8f8fc617ea3c7a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/43lulk81EZGt7BsMAyFWdK.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/43lulk81EZGt7BsMAyFWdK.
{"copyright_id":"0xc2fbfa84f3fdce76c8744f8adc067738f4f16f22dc7816ddcbcd75195dbb9340","isrc":"USAT22103701","name":"Saving The Song","registered_at":"2026-06-08T11:10:27Z","spotify_id":"0XdWtuPko5oV8rBSJzllbg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2fbfa84f3fdce76c8744f8adc067738f4f16f22dc7816ddcbcd75195dbb9340. 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/0XdWtuPko5oV8rBSJzllbg.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/0XdWtuPko5oV8rBSJzllbg.
{"copyright_id":"0xfbdd285bf5413447dc421506ef8383563ddc1f054f447ecfd47d2a108c1d841f","isrc":"USAT22103703","name":"Sand Dollar Animal Control","registered_at":"2026-06-08T11:08:18Z","spotify_id":"5hmnpySLWvYljAWFEGrbAP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbdd285bf5413447dc421506ef8383563ddc1f054f447ecfd47d2a108c1d841f. 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/5hmnpySLWvYljAWFEGrbAP.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/5hmnpySLWvYljAWFEGrbAP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa66f16e8b6b625e0cd5f4bb69a8913e3691428d6f8425933bb2c8bbc6f01519a. 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/5sINc2b7EFnjVnw4j5AKjd.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/5sINc2b7EFnjVnw4j5AKjd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8695b327b248a5da2155448b05b143b18274a041ba7804412e557725da52a8e. 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/1NabnFVoUmM1FMCr651JUr.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/1NabnFVoUmM1FMCr651JUr.