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 0xcd463a18017f3ecd71a7c0772b566ec94edaaddc2dc49ac53247af00d318caa0. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e4a49ec-b6f8-4204-858a-7c7dd4ea40b0.json and https://artists.proofprofile.net/proofs/artist/8e4a49ec-b6f8-4204-858a-7c7dd4ea40b0.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 0x2766916d1705bae3cdfa9fc48f8dc6f75b0029d2d597ca912b7f5d0f309b15bc. 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/3nKVSMr4v08gDL7k6mtLom.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/3nKVSMr4v08gDL7k6mtLom.
Hadestown (Original Broadway Cast Recording)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2766916d1705bae3cdfa9fc48f8dc6f75b0029d2d597ca912b7f5d0f309b15bc. 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/48PFfbnf0ZRcGCxO4zApPp.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/48PFfbnf0ZRcGCxO4zApPp.
Miss Saigon: The Definitive Live Recording (Original Cast Recording / Deluxe)
{"copyright_id":"0x7ba9f2036803031ac328286fcbf0f48343ea89e5a0f92dbf6fb95391515f2a6f","isrc":"GBUM71404538","name":"Last Night Of The World - Live","registered_at":"2026-06-05T05:04:21Z","spotify_id":"1STNeTDFOCzJGKpxIdX82v","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba9f2036803031ac328286fcbf0f48343ea89e5a0f92dbf6fb95391515f2a6f. 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/1STNeTDFOCzJGKpxIdX82v.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/1STNeTDFOCzJGKpxIdX82v.
{"copyright_id":"0x0f147c88ab85cee523886ebbe238d436562035cda60c0d064bdcc300b06d7424","isrc":"GBUM71404528","name":"The Movie In My Mind - Live","registered_at":"2026-06-05T06:38:51Z","spotify_id":"5m3c1hyH0XRV1DQu5YPcHA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f147c88ab85cee523886ebbe238d436562035cda60c0d064bdcc300b06d7424. 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/5m3c1hyH0XRV1DQu5YPcHA.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/5m3c1hyH0XRV1DQu5YPcHA.
{"copyright_id":"0xafdc74fc23137be17e30f8b877bf35a146505a3707d2400039e5040ea75bdeff","isrc":"GBUM71404527","name":"The Heat Is On - Live","registered_at":"2026-06-06T05:21:36Z","spotify_id":"0f9rtAYBBlI8ayXnvkMf2y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafdc74fc23137be17e30f8b877bf35a146505a3707d2400039e5040ea75bdeff. 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/0f9rtAYBBlI8ayXnvkMf2y.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/0f9rtAYBBlI8ayXnvkMf2y.
{"copyright_id":"0xd7ea31978327ae28d6b5a445946515d1880bcc8a1efeec4308050a118e2d5c1d","isrc":"GBUM71404542","name":"You Will Not Touch Him - Live","registered_at":"2026-06-06T05:19:23Z","spotify_id":"3i6phqOf9rPLtsCvf2PQz8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ea31978327ae28d6b5a445946515d1880bcc8a1efeec4308050a118e2d5c1d. 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/3i6phqOf9rPLtsCvf2PQz8.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/3i6phqOf9rPLtsCvf2PQz8.
{"copyright_id":"0xb4d3042eeb88d980ac2d306b5c9ff40fc80cfaa43a8e25c2179efb67450a1a89","isrc":"GBUM71404533","name":"Sun And Moon - Live","registered_at":"2026-06-06T18:20:55Z","spotify_id":"7j9R2Htsi5Y4aK3xfsSp8Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d3042eeb88d980ac2d306b5c9ff40fc80cfaa43a8e25c2179efb67450a1a89. 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/7j9R2Htsi5Y4aK3xfsSp8Z.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/7j9R2Htsi5Y4aK3xfsSp8Z.
{"copyright_id":"0x781a39c43a3da988b270aca66abda1631ae34781c5cd7417eb95b133fd4c9fb5","isrc":"GBUM71404536","name":"The Wedding Ceremony - Live","registered_at":"2026-06-07T20:59:42Z","spotify_id":"04ln2HZ6yOODo1y6chHwU1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x781a39c43a3da988b270aca66abda1631ae34781c5cd7417eb95b133fd4c9fb5. 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/04ln2HZ6yOODo1y6chHwU1.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/04ln2HZ6yOODo1y6chHwU1.
I Still Believe - From 'Miss Saigon' / Live
{"copyright_id":"0x7046983fa7fd459362c12d967352ed570111747df61b6cd20b8de1a4d4ad5444","isrc":"GBUM71404540","name":"I Still Believe - From 'Miss Saigon' / Live","registered_at":"2026-06-07T14:31:31Z","spotify_id":"2IYFW69VsJ3DKgineVRjgy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7046983fa7fd459362c12d967352ed570111747df61b6cd20b8de1a4d4ad5444. 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/2IYFW69VsJ3DKgineVRjgy.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/2IYFW69VsJ3DKgineVRjgy.
{"copyright_id":"0x3ff1d2d5e9196f1fb526ed95a5dec9d62040b1dfa0ce22753d56c578b05b588a","isrc":"GBUM71404545","name":"I'd Give My Life For You - Live","registered_at":"2026-06-07T01:44:16Z","spotify_id":"62OpsW62uJiqGoceaTuC8O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ff1d2d5e9196f1fb526ed95a5dec9d62040b1dfa0ce22753d56c578b05b588a. 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/62OpsW62uJiqGoceaTuC8O.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/62OpsW62uJiqGoceaTuC8O.
{"copyright_id":"0xab3bd5a407c9760c6b6919f6a025410c1845a1cdce295eab23bd9043041729bf","isrc":"GBUM71404532","name":"This Money's Yours - Live","registered_at":"2026-06-08T01:18:48Z","spotify_id":"6n8IwMJOhnTDKt1pXgTimV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab3bd5a407c9760c6b6919f6a025410c1845a1cdce295eab23bd9043041729bf. 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/6n8IwMJOhnTDKt1pXgTimV.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/6n8IwMJOhnTDKt1pXgTimV.
{"copyright_id":"0x70cb13ede0229ca4f1152c96eacdcccd76b8dc754b6609f4563535c46b39d95c","isrc":"GBUM71404551","name":"Kim's Nightmare - Live","registered_at":"2026-06-08T13:14:11Z","spotify_id":"2dzdMY1MzQUAh6PMydI0ud","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70cb13ede0229ca4f1152c96eacdcccd76b8dc754b6609f4563535c46b39d95c. 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/2dzdMY1MzQUAh6PMydI0ud.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/2dzdMY1MzQUAh6PMydI0ud.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2322e6010b49352340f82e70c871868f6e1baf91b3211f09c9e2c9c95e8c1a18. 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/5BwUt9x6Ss7bKcnDCi5H2X.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/5BwUt9x6Ss7bKcnDCi5H2X.
{"copyright_id":"0x5af8a2fce3de6acf3d5dec12113a433260c001f2be6611abc93af9c53ac1d6f1","isrc":"GBUM71404555","name":"The Confrontation - Live","registered_at":"2026-06-09T09:11:46Z","spotify_id":"4GQO1491lOB5o2mEo8Qq6s","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af8a2fce3de6acf3d5dec12113a433260c001f2be6611abc93af9c53ac1d6f1. 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/4GQO1491lOB5o2mEo8Qq6s.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/4GQO1491lOB5o2mEo8Qq6s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b177e432897fe106fd4265cf5da20164ccb61ca64cc639ed9827187d4df45e. 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/1SO4xHZxAaYr4kB6yrJGL9.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/1SO4xHZxAaYr4kB6yrJGL9.
{"copyright_id":"0x851e87577088e51ca6765f5bd78171361ae64c495fd3245a8fe0d17dccc1b538","isrc":"GBUM71404537","name":"Thuy's Intervention - Live","registered_at":"2026-06-09T18:26:25Z","spotify_id":"2QXMLqmRLko4FYbFQXzPQP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851e87577088e51ca6765f5bd78171361ae64c495fd3245a8fe0d17dccc1b538. 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/2QXMLqmRLko4FYbFQXzPQP.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/2QXMLqmRLko4FYbFQXzPQP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f9af13c283bc75078366f4a0e75dbd01578d54e07980540cba285c27e1a0f8. 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/0BNx9rXwDejADt61QEmphh.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/0BNx9rXwDejADt61QEmphh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa366f2163205ca574d08695869ff2f0ed74dd63c2f43a00d611b776d6b7ece0d. 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/244DdUIzgfD7VjZYtm60dt.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/244DdUIzgfD7VjZYtm60dt.
{"copyright_id":"0x2e39ad494d38641983b4bd9587cb6423be44ca1b241c1f562257db7181bb4a2a","isrc":"GBUM71404550","name":"Too Much For One Heart - Live","registered_at":"2026-06-10T05:23:23Z","spotify_id":"5hLVZ7ViXsU5tnOj3CIweu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e39ad494d38641983b4bd9587cb6423be44ca1b241c1f562257db7181bb4a2a. 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/5hLVZ7ViXsU5tnOj3CIweu.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/5hLVZ7ViXsU5tnOj3CIweu.
{"copyright_id":"0x739738d2ae3807f7c20beded081cf278c48a3fc4ee972f03527de7739a2c5bb3","isrc":"GBUM71404552","name":"Sun And Moon (Reprise) - Live","registered_at":"2026-06-10T14:35:01Z","spotify_id":"5bSgmD27ofm9vw5gVNVSQc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x739738d2ae3807f7c20beded081cf278c48a3fc4ee972f03527de7739a2c5bb3. 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/5bSgmD27ofm9vw5gVNVSQc.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/5bSgmD27ofm9vw5gVNVSQc.