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 0x82e75f7afc049f55429041967b66ecd9148ca0786a84bc7d9ee6a60b1b7b3c31. 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/d5500845-d9d9-4591-aaec-060fd4e6b4c3.json and https://artists.proofprofile.net/proofs/artist/d5500845-d9d9-4591-aaec-060fd4e6b4c3.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 0x3f85a5ee20f9e64ad00a268a9dc8d0bdc4825874e249fd4671471c4a758f1c40. 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/4Tv2ROLQP4z8LWBw4NVdZg.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/4Tv2ROLQP4z8LWBw4NVdZg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2f3e863c23b122515d6e60b17febda00514a2e5f0d8f900f8b22f98e3c35d49. 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/74c6PnBOr5TExKK9G8zrQV.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/74c6PnBOr5TExKK9G8zrQV.
{"copyright_id":"0xce72be0c80f84c9b595931ebe5a15bf2791a5e1d97f5e55d28cfb8e7e59dba79","isrc":"DGA0H2353598","name":"No Le Bajes","registered_at":"2026-06-05T14:15:34Z","spotify_id":"4XYckibIwUhGZZS87kQfSP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce72be0c80f84c9b595931ebe5a15bf2791a5e1d97f5e55d28cfb8e7e59dba79. 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/4XYckibIwUhGZZS87kQfSP.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/4XYckibIwUhGZZS87kQfSP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b8a8b4a9b267f71e37ce9dac6081549b365227ec199d97a8d90f456aee6eb43. 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/23f5H6ehV9HFnOErVXteza.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/23f5H6ehV9HFnOErVXteza.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x101abcfce3bcc0bf9b99a7084335f7023ede4f3c74236c77a143681dfcaa96a2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7dZbJBaXPEhqPXOol20WOV.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/7dZbJBaXPEhqPXOol20WOV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x101abcfce3bcc0bf9b99a7084335f7023ede4f3c74236c77a143681dfcaa96a2. 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/31GtA102nAEG5bjPW9ivrj.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/31GtA102nAEG5bjPW9ivrj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc2c73d0b3b57115ffacf3416087759b7947ebaee2912960eb5f4094bbf00e8. 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/7ddYl3Ob4I5jrPd5WK42G9.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/7ddYl3Ob4I5jrPd5WK42G9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b2a83aa9eabaffbe9e9ea0c085817ab65a9713dad96db3fa124fffb1603d5a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ckq4pZ5AvnTATYYro5qyQ.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/0ckq4pZ5AvnTATYYro5qyQ.
{"copyright_id":"0x0c5ce2efec9eea5df4b05c39312ccb03d16a1f8511a57522f6a100ffac4c3dba","isrc":"USDHM2112912","name":"Mucho Mejor","registered_at":"2026-06-26T04:29:10Z","spotify_id":"6KgFSId3d6c9bfZ7afF5N8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c5ce2efec9eea5df4b05c39312ccb03d16a1f8511a57522f6a100ffac4c3dba. 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/6KgFSId3d6c9bfZ7afF5N8.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/6KgFSId3d6c9bfZ7afF5N8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36e34631ff0e0cc9e9f8447255eb8e2845a1c11736034740c82655a7f0f4930d. 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/0ItsgOTjL7xbSoKxigVuZJ.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/0ItsgOTjL7xbSoKxigVuZJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b6b76cba67e9b646a250ea584296f61ec0b816ac0b73b2983074edc38aa9b2. 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/1gfI8GX2lfKga2ToPbYlYQ.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/1gfI8GX2lfKga2ToPbYlYQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09894b9e0d02196bd0f5197c88663551d593c7a13fabb0d93921d280e5ee2940. 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/1Q1hcrloc7SX3P95wYztqO.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/1Q1hcrloc7SX3P95wYztqO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283763c2cd7c0fc256f5f513a87788637dca8b590624ab618712b58c6a914f4a. 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/111NLR53BmYMQ7FnzQS9iZ.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/111NLR53BmYMQ7FnzQS9iZ.
{"copyright_id":"0xacc2c73d0b3b57115ffacf3416087759b7947ebaee2912960eb5f4094bbf00e8","isrc":"DGA0P2325585","name":"La Culpa Fue Mia","registered_at":"2026-06-27T20:03:00Z","spotify_id":"4juD4xgPThnxaDE8AHZWD3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc2c73d0b3b57115ffacf3416087759b7947ebaee2912960eb5f4094bbf00e8. 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/4juD4xgPThnxaDE8AHZWD3.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/4juD4xgPThnxaDE8AHZWD3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16245352bcc18f481562731e439401c0a0f563a38b899603241d3c5cc9350c35. 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/6F0tKUxGjTjvOzDpQTse3k.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/6F0tKUxGjTjvOzDpQTse3k.
{"copyright_id":"0x6f458958fd21b52ba09a80c40d4d788a9ec986b5a5bdcb3ccd3a29100dbf9f31","isrc":"DGA082314969","name":"Desde Aquella Vez","registered_at":"2026-06-25T00:27:14Z","spotify_id":"6WtlRm2RGxgBdAAC4iTtOd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f458958fd21b52ba09a80c40d4d788a9ec986b5a5bdcb3ccd3a29100dbf9f31. 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/6WtlRm2RGxgBdAAC4iTtOd.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/6WtlRm2RGxgBdAAC4iTtOd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4dd6f29f8c32705e6c18f93a434fabc6431ccdbf046a197f8e983ac857d269a. 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/4PueP66VBfShThBXD1bUHf.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/4PueP66VBfShThBXD1bUHf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164be90e6585e6927cebe4a97c918378ca65ee10233c5b6246f676401e9204a3. 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/1EIoClJ2JJTuzCirb0zxSq.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/1EIoClJ2JJTuzCirb0zxSq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc32163278185b3720dbb96bbf3daf14853231066fbaa55af287719e7b28969f4. 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/2bLGlAWPP8ZCQo5nhVGWVa.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/2bLGlAWPP8ZCQo5nhVGWVa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf43f9555e33a4b5660691d3880bc10489f9c57fc08dd915270be9f40d4d9720c. 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/4dH9ODM4UMH5bAWScR7ASq.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/4dH9ODM4UMH5bAWScR7ASq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b2a83aa9eabaffbe9e9ea0c085817ab65a9713dad96db3fa124fffb1603d5a. 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/003CpLpVCGuyfZe4dLB1No.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/003CpLpVCGuyfZe4dLB1No.
{"copyright_id":"0x62bdb07f9b75fd0cd8237787ef1a49cc4bea30e28e3b1386049262cbf6eafe4f","isrc":"DGA0P2469618","name":"Booty Shorts","registered_at":"2026-06-04T08:42:11Z","spotify_id":"4z2eLTB8bxTwZN5CFxC95y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62bdb07f9b75fd0cd8237787ef1a49cc4bea30e28e3b1386049262cbf6eafe4f. 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/4z2eLTB8bxTwZN5CFxC95y.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/4z2eLTB8bxTwZN5CFxC95y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38a39a10fd45daeace2207b5e7f2688e216fbb32311cbede9d4ffea44daa997. 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/17TlpkeDCfdw4OBIOrNgNp.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/17TlpkeDCfdw4OBIOrNgNp.
{"copyright_id":"0x7ef828bb429e7f32fc5704ea3e3c22f0bd216e4d1a7bc93eb7d0bd6c2a38c153","isrc":"DGA0S2421335","name":"Aún Te Extraño - Remix","registered_at":"2026-06-08T18:06:13Z","spotify_id":"5BCCiG43vxyqmI90bhYOXY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef828bb429e7f32fc5704ea3e3c22f0bd216e4d1a7bc93eb7d0bd6c2a38c153. 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/5BCCiG43vxyqmI90bhYOXY.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/5BCCiG43vxyqmI90bhYOXY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54d80194d93292f65bfe61991c1c134f206e667056c26eec7cae83851485ae73. 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/3BzIHMkqMMwbKdzjKEseAN.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/3BzIHMkqMMwbKdzjKEseAN.
{"copyright_id":"0x1fea0f995b54216d5a44bcea2ffcc656c03f7a9e0cd05e046662fa168dd4873a","isrc":"DGA0S2442279","name":"Volver A Conocerte","registered_at":"2026-06-05T05:25:15Z","spotify_id":"2NhrabFLx2acqbsJggoS2V","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fea0f995b54216d5a44bcea2ffcc656c03f7a9e0cd05e046662fa168dd4873a. 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/2NhrabFLx2acqbsJggoS2V.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/2NhrabFLx2acqbsJggoS2V.
{"copyright_id":"0xadc7b4ec9fa0f52bf1e6c38a52df86997b3bcb426b5fb3163dbe2fa797a65ff8","isrc":"FR59R2538461","name":"No Mor","registered_at":"2026-06-18T23:01:54Z","spotify_id":"0ZndWAZYghUI89sq0OZbt1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc7b4ec9fa0f52bf1e6c38a52df86997b3bcb426b5fb3163dbe2fa797a65ff8. 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/0ZndWAZYghUI89sq0OZbt1.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/0ZndWAZYghUI89sq0OZbt1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4f22a8315416897c51ccb5f3f8c755cb967f213d4a359fbf8077c1782aaf5d5. 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/4ON2E8Fmlw5prG0uijABqk.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/4ON2E8Fmlw5prG0uijABqk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebb25bfcd2027eda4ebc2815575e837c48b078d218fadde1b73d957cab7d5aef. 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/71oocS2VmIMIZVoFsjvmJR.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/71oocS2VmIMIZVoFsjvmJR.
{"copyright_id":"0x28a2fcaf40c84199b7f8d8f3dfa11f27f83f1ebe01498021eac37dab4e1a1dab","isrc":"DGA092475275","name":"Emi y Duki","registered_at":"2026-06-05T05:58:43Z","spotify_id":"3TwtRksAoA11zCk12QtOBu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a2fcaf40c84199b7f8d8f3dfa11f27f83f1ebe01498021eac37dab4e1a1dab. 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/3TwtRksAoA11zCk12QtOBu.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/3TwtRksAoA11zCk12QtOBu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a281feac55c99248c17a89c8b6289217ea1b785c28e8e65d92bce6bab5bbc0e. 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/1TldmQvgcL5xSFzpydRhqg.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/1TldmQvgcL5xSFzpydRhqg.