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 0x56f7d1a7e031f0fc1ccca2361d186ea064f836bda6fa383687fbd24d144db3ea. 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/72a83736-2a57-40d4-b968-d47ddeddcb75.json and https://artists.proofprofile.net/proofs/artist/72a83736-2a57-40d4-b968-d47ddeddcb75.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 0x8503c7688a4a9194b1a920786a9e66f2ef4e9a7b59879f1f1766c7ade22326a9. 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/1ZOSXQJ8lZzFCTnh7RlVzv.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/1ZOSXQJ8lZzFCTnh7RlVzv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0157f77589aeff6856419744a33b08f23d32969cd22707331cbe425be309cf07. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5KkVH3v2PCmDLsQAGkcObQ.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/5KkVH3v2PCmDLsQAGkcObQ.
Mission (feat. BKO, Boat, Quincy Promes)
{"copyright_id":"0xf8a6fbf87e541e5d6d8c14dcfd1cee01eec495d84484fa6fddfa8da004d31ce1","isrc":"QMFME2385629","name":"Mission (feat. BKO, Boat, Quincy Promes)","registered_at":"2026-06-04T16:35:21Z","spotify_id":"4gdJ76VjYkrQFkc47ioV17","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a6fbf87e541e5d6d8c14dcfd1cee01eec495d84484fa6fddfa8da004d31ce1. 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/4gdJ76VjYkrQFkc47ioV17.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/4gdJ76VjYkrQFkc47ioV17.
{"copyright_id":"0x49ae34d297b9c6c3ed1c1784441e9ade32745aa8a0d6b3284f8d66d8930a0cc5","isrc":"QMFME2385624","name":"Mula (feat. Boat, Jhorrmountain)","registered_at":"2026-06-05T06:26:08Z","spotify_id":"4yfKa88i21L34wGhvDfUn5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49ae34d297b9c6c3ed1c1784441e9ade32745aa8a0d6b3284f8d66d8930a0cc5. 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/4yfKa88i21L34wGhvDfUn5.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/4yfKa88i21L34wGhvDfUn5.
{"copyright_id":"0xb4900c74569fba4c32c997ca6463a72a68a6f542820eb2a2ce626ad9cff3f5e1","isrc":"TCAGG2227457","name":"MattaMan (feat Boat, Priceless)","registered_at":"2026-06-04T14:06:57Z","spotify_id":"4R9wmFSNpmaF8jBDWpF44k","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4900c74569fba4c32c997ca6463a72a68a6f542820eb2a2ce626ad9cff3f5e1. 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/4R9wmFSNpmaF8jBDWpF44k.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/4R9wmFSNpmaF8jBDWpF44k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0157f77589aeff6856419744a33b08f23d32969cd22707331cbe425be309cf07. 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/1FGVtYZdIn5MrGNPe5U0gy.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/1FGVtYZdIn5MrGNPe5U0gy.
{"copyright_id":"0xf8a6fbf87e541e5d6d8c14dcfd1cee01eec495d84484fa6fddfa8da004d31ce1","isrc":"QMFME2385629","name":"Mission (feat. BKO, Boat, Quincy Promes)","registered_at":"2026-06-04T16:35:21Z","spotify_id":"5wdgOZyArrvW8wxFGnabRO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a6fbf87e541e5d6d8c14dcfd1cee01eec495d84484fa6fddfa8da004d31ce1. 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/5wdgOZyArrvW8wxFGnabRO.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/5wdgOZyArrvW8wxFGnabRO.
{"copyright_id":"0xfd00e5bca933d931607c3b0de6165ab420bd07620dee0308db5d7fe89c413c4f","isrc":"QMBZ92392482","name":"Money (feat BKO, Boat, Brasco, Blow)","registered_at":"2026-06-05T05:50:16Z","spotify_id":"3nsMspPWUG4Dlj52GXG7cF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd00e5bca933d931607c3b0de6165ab420bd07620dee0308db5d7fe89c413c4f. 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/3nsMspPWUG4Dlj52GXG7cF.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/3nsMspPWUG4Dlj52GXG7cF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435e46b9672275fa6b84ca4c3dac29dc9d3a89f55be556cf970b17e9727df513. 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/2UUYp75BkY2hq4oWTz8LXX.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/2UUYp75BkY2hq4oWTz8LXX.
{"copyright_id":"0x8421191cac1c4fef711e9bb49925d714fd3e25fc240f25f2c4fad03d5d509a57","isrc":"QMFME2385630","name":"Anoniem (feat. BKO, Johnny, Brasco)","registered_at":"2026-06-05T09:34:48Z","spotify_id":"4x3Z74XBldlffEkX6xxqdY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8421191cac1c4fef711e9bb49925d714fd3e25fc240f25f2c4fad03d5d509a57. 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/4x3Z74XBldlffEkX6xxqdY.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/4x3Z74XBldlffEkX6xxqdY.
Coke Deals (feat. BKO, Boat, Adje, Kempi)
{"copyright_id":"0x3708d3dc46a826f54754b0987b9fbf243a51c03c1b70702ee849bee7d925ef5f","isrc":"TCAGK2212752","name":"Coke Deals (feat. BKO, Boat, Adje, Kempi)","registered_at":"2026-06-05T04:31:40Z","spotify_id":"0uai8hXcDhXZfbNQTqiElo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3708d3dc46a826f54754b0987b9fbf243a51c03c1b70702ee849bee7d925ef5f. 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/0uai8hXcDhXZfbNQTqiElo.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/0uai8hXcDhXZfbNQTqiElo.
Uno Dos Tres (feat. BKO, Boat, Eves Laurent)
{"copyright_id":"0xe71628051d56384ca6d61ef74aa9f4099e5881e8aeb69cfc0cfd19e53c7ceca1","isrc":"QMFME2385632","name":"Uno Dos Tres (feat. BKO, Boat, Eves Laurent)","registered_at":"2026-06-04T16:29:41Z","spotify_id":"5351Toy78iexU8hipVuCpJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe71628051d56384ca6d61ef74aa9f4099e5881e8aeb69cfc0cfd19e53c7ceca1. 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/5351Toy78iexU8hipVuCpJ.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/5351Toy78iexU8hipVuCpJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23868b6e7247602e716f85a0913fa5152b130e81f3f1b731b0a7859c3d6557dc. 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/6hG0j5aUWGlITlGdrnJbGH.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/6hG0j5aUWGlITlGdrnJbGH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0147a806290d701284956c1f2c29bdb05a3d4805350e1e5e56ea1de27b290d41. 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/7I3x6OqKSz7TT3yhmokAC0.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/7I3x6OqKSz7TT3yhmokAC0.
B's In The Trap (feat. BKO, Boat, Johnny, Priceless)
{"copyright_id":"0xf268a8ce66e30bfbc75e21d4deb97bd272b23e5477cd3b93ecd5581ba3f31e7b","isrc":"QMFME2385635","name":"B's In The Trap (feat. BKO, Boat, Johnny, Priceless)","registered_at":"2026-06-05T15:29:20Z","spotify_id":"0f88qHsBqFZ7GFUdw1UyMw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf268a8ce66e30bfbc75e21d4deb97bd272b23e5477cd3b93ecd5581ba3f31e7b. 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/0f88qHsBqFZ7GFUdw1UyMw.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/0f88qHsBqFZ7GFUdw1UyMw.
{"copyright_id":"0x1c5eddc93d5fa8ff02186056729aa483fd70e84030b84b58c274e7e6dda006ca","isrc":"QMFME2385636","name":"Santana (feat BKO, Boat, Johnny)","registered_at":"2026-06-05T17:54:14Z","spotify_id":"0HTaOahfqF9RjcfadHVP23","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c5eddc93d5fa8ff02186056729aa483fd70e84030b84b58c274e7e6dda006ca. 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/0HTaOahfqF9RjcfadHVP23.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/0HTaOahfqF9RjcfadHVP23.
Gucci Gucci (feat. BKO, Boat, Jhorrmountain)
{"copyright_id":"0x4ec6d9b3a7e967d670f66f6ea722140da7fed75142d8e318711f3b737b22c9cc","isrc":"TCAGL2267156","name":"Gucci Gucci (feat. BKO, Boat, Jhorrmountain)","registered_at":"2026-06-05T09:36:48Z","spotify_id":"2SxDh2Qc05fvMpXQUl92el","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ec6d9b3a7e967d670f66f6ea722140da7fed75142d8e318711f3b737b22c9cc. 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/2SxDh2Qc05fvMpXQUl92el.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/2SxDh2Qc05fvMpXQUl92el.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x896a8d12c1847109818617a02a74403936258d6f85f21e7214e9f86b2e41fc55. 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/1ho8juF70CmO6vvq2IB9TR.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/1ho8juF70CmO6vvq2IB9TR.
{"copyright_id":"0x495e9c5d73c2293e0618db93f729463a98f5ed20d2e1c53f26a5650ccfe88f36","isrc":"QMFME2385639","name":"Kom Ko (feat. BKO, Jhorrmountain)","registered_at":"2026-06-05T09:34:30Z","spotify_id":"3IZ4JJSjobzFl0f1utW7eC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x495e9c5d73c2293e0618db93f729463a98f5ed20d2e1c53f26a5650ccfe88f36. 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/3IZ4JJSjobzFl0f1utW7eC.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/3IZ4JJSjobzFl0f1utW7eC.
Emotions (feat. BKO, Boat, Johnny, Jhorrmountain)
{"copyright_id":"0x0070c5ce4380ac0bf906fc1ce84981df7fd8dc615a21350a9959f010fa5203ee","isrc":"QMFME2385640","name":"Emotions (feat. BKO, Boat, Johnny, Jhorrmountain)","registered_at":"2026-06-05T04:50:37Z","spotify_id":"1l0vqfShfc5sXcWlu62XXF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0070c5ce4380ac0bf906fc1ce84981df7fd8dc615a21350a9959f010fa5203ee. 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/1l0vqfShfc5sXcWlu62XXF.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/1l0vqfShfc5sXcWlu62XXF.