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 0x986a9616d74d2f09c85e3eac37564c5693ee3ce5d5c36d5a27c214003f1c49be. 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/37211d63-1849-4b49-ab4e-e50c22189d6c.json and https://artists.proofprofile.net/proofs/artist/37211d63-1849-4b49-ab4e-e50c22189d6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xed06ff1afe5b7d7d814fdc1998bdee9a22da33acce8681e6da1f7b7a5250a6fa","isrc":"USVPR1200030","name":"REGGAE Music Again","registered_at":"2026-06-04T13:16:34Z","spotify_id":"65HPq14phBgWZA9DuFabYi","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 0xed06ff1afe5b7d7d814fdc1998bdee9a22da33acce8681e6da1f7b7a5250a6fa. 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/65HPq14phBgWZA9DuFabYi.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/65HPq14phBgWZA9DuFabYi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3654a3358626c2e82bda75da9891a38db30a10976de3907fb148e458965a195e. 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/4MAo6tvIRCEjUZLOrC9Z4q.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/4MAo6tvIRCEjUZLOrC9Z4q.
{"copyright_id":"0x25daf044a4164e74cef248086a980d85942e0b07de1de2c6260ce0b17f294be8","isrc":"USVPR0814471","name":"Wine Pon Di Edge","registered_at":"2026-06-06T02:14:17Z","spotify_id":"2nDStKSqTRrWF7vyrvvodA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25daf044a4164e74cef248086a980d85942e0b07de1de2c6260ce0b17f294be8. 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/2nDStKSqTRrWF7vyrvvodA.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/2nDStKSqTRrWF7vyrvvodA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67ed594a88051724b7b16e1794747883ce15c1d1e510dc202151af9f688bbd23. 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/1cAFDCGAqqzJCxmgto5qxF.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/1cAFDCGAqqzJCxmgto5qxF.
{"copyright_id":"0x3bf4d4fb9413798de02acca008a1839c0276925b976976bbe53bfc2eae3747d5","isrc":"US38W1229208","name":"Watch Out For This (Bumaye)","registered_at":"2026-06-01T11:12:54Z","spotify_id":"5StvAhgmgCOpCPHHNfS8bx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bf4d4fb9413798de02acca008a1839c0276925b976976bbe53bfc2eae3747d5. 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/5StvAhgmgCOpCPHHNfS8bx.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/5StvAhgmgCOpCPHHNfS8bx.
Watch Out For This (Bumaye) [feat. Busy Signal, the Flexican & FS Green]
{"copyright_id":"0x3bf4d4fb9413798de02acca008a1839c0276925b976976bbe53bfc2eae3747d5","isrc":"US38W1229208","name":"Watch Out For This (Bumaye) [feat. Busy Signal, the Flexican & FS Green]","registered_at":"2026-06-03T20:16:41Z","spotify_id":"6xKVB2AvSOQdFqMI8cNJh2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bf4d4fb9413798de02acca008a1839c0276925b976976bbe53bfc2eae3747d5. 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/6xKVB2AvSOQdFqMI8cNJh2.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/6xKVB2AvSOQdFqMI8cNJh2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7f59e72a21d726002f0b1d7af0f48c2ed51d0754c67ad1084fb37f62472d54. 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/2WW8QbArFbEB3VUA6EZwWb.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/2WW8QbArFbEB3VUA6EZwWb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508771b0cd74ee67287192b9d0654ee32065fa73bffb2a9c4e93ead2ddfdb2c4. 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/5zJYlhUjJu7Z7fxdgtndYh.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/5zJYlhUjJu7Z7fxdgtndYh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f1a64d3a4b44f208a0770ce95abdc7e4c22200556a4b24ce431e2424bdb765. 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/7gnCLWYOSWpnwFx1a4h8ON.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/7gnCLWYOSWpnwFx1a4h8ON.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06113e2d345d4255a68c85df08243ade2ef851b330286329a36e35d1154ef106. 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/0lyvUb526lRSOnRrPKLKNg.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/0lyvUb526lRSOnRrPKLKNg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06113e2d345d4255a68c85df08243ade2ef851b330286329a36e35d1154ef106. 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/4mrEOpub5deJ5ZXxVlME4e.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/4mrEOpub5deJ5ZXxVlME4e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785db192b53b395799df3203d5b17bf9d3ac69ba3572580bf121cf5ddf7692a8. 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/7uT6g7HZx4rtncv8F1lA4G.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/7uT6g7HZx4rtncv8F1lA4G.
{"copyright_id":"0x6ca5fd0448623b459c228f654ffe19446b61885cd711fe1177daa2cabc618f92","isrc":"ZZOPM2003400","name":"Goddess (feat. Busy Signal)","registered_at":"2026-06-19T02:34:18Z","spotify_id":"70IYzUzr7gpPE5hYLyNVAN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca5fd0448623b459c228f654ffe19446b61885cd711fe1177daa2cabc618f92. 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/70IYzUzr7gpPE5hYLyNVAN.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/70IYzUzr7gpPE5hYLyNVAN.
{"copyright_id":"0x3bf4d4fb9413798de02acca008a1839c0276925b976976bbe53bfc2eae3747d5","isrc":"US38W1229208","name":"Watch Out For This (Bumaye)","registered_at":"2026-06-01T11:12:49Z","spotify_id":"3FwXq3nhjVaCniY2sywiaO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bf4d4fb9413798de02acca008a1839c0276925b976976bbe53bfc2eae3747d5. 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/3FwXq3nhjVaCniY2sywiaO.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/3FwXq3nhjVaCniY2sywiaO.
Watch Out For This (Bumaye) - DJ Maphorisa & DJ Raybel Remix