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 0xb7d04dccdc1e55c6269817d00c32e83f9de2506c0a6816bdd4aade4472784410. 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/aa848013-d226-4bdc-974d-47ecf371a894.json and https://artists.proofprofile.net/proofs/artist/aa848013-d226-4bdc-974d-47ecf371a894.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e","isrc":"ARG991025591","name":"Me Busca y Me Llama","registered_at":"2026-06-20T22:23:11Z","spotify_id":"0QeKxSYme5dIfbESPiGudr","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 0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e. 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/0QeKxSYme5dIfbESPiGudr.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/0QeKxSYme5dIfbESPiGudr.
{"copyright_id":"0x8122dbb1d39f8cb29930cfbed7aef7166a37fe582f9c54a96204df71f26f7ee3","isrc":"ARG991024208","name":"Vamos a Brindar","registered_at":"2026-06-26T00:35:42Z","spotify_id":"3DZksZRMBtxsbBKBZM8cTS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8122dbb1d39f8cb29930cfbed7aef7166a37fe582f9c54a96204df71f26f7ee3. 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/3DZksZRMBtxsbBKBZM8cTS.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/3DZksZRMBtxsbBKBZM8cTS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c1a8bf592ff5374dcd64e324595578be26641c745bbb035788953aaa3264ab2. 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/3Z7yTubQLmrY2C9XArfUFW.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/3Z7yTubQLmrY2C9XArfUFW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0adf4c0241a42913e7531439450b4bb5377068cd169adf6512d58ef70fde7f1d. 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/5LBSvfEftc3f8bCDEjYufh.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/5LBSvfEftc3f8bCDEjYufh.
{"copyright_id":"0x2312228819cafd34dde1266e888b58f319be1ce0a0275bc9934e5cb8597d99ce","isrc":"ARG991020360","name":"Hoy Se Sale Fuerte","registered_at":"2026-06-17T22:07:38Z","spotify_id":"4pAnQApdJmHL2SQNWHhoPD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2312228819cafd34dde1266e888b58f319be1ce0a0275bc9934e5cb8597d99ce. 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/4pAnQApdJmHL2SQNWHhoPD.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/4pAnQApdJmHL2SQNWHhoPD.
{"copyright_id":"0xf38bab1eb78112b53d02076f6524ecf0de6c8aaac4bfa8f6c45556edf714a4d0","isrc":"ARG991020361","name":"Comerte la Boca","registered_at":"2026-06-21T21:02:49Z","spotify_id":"76UhGFcHNCU8hociAL8m9Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf38bab1eb78112b53d02076f6524ecf0de6c8aaac4bfa8f6c45556edf714a4d0. 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/76UhGFcHNCU8hociAL8m9Y.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/76UhGFcHNCU8hociAL8m9Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe31836c8c0c3398644c32acbeeb614f2769a337439f9c907038d108c49fa894. 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/2lUfW4Yfi9TMQXNMXTSUYT.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/2lUfW4Yfi9TMQXNMXTSUYT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43df93244e819ac601f0e610b0c49c4a4c0e63d8021845f2e666689f3fe1cecc. 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/0FVuUna31PTRmWGLs8W1o4.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/0FVuUna31PTRmWGLs8W1o4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cf5698f12da51280a3e8001d5ff1792110b63f4696df958257118ec9be64a9a. 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/3J5D9CT1KCcLGZibiWElna.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/3J5D9CT1KCcLGZibiWElna.
{"copyright_id":"0x4ea6966b72aa1bf08e85ac861e7bf28b22fb474dda5f41d937f6e06b2f38d8ac","isrc":"ARG991020367","name":"Amores Como el Nuestro","registered_at":"2026-06-09T14:48:06Z","spotify_id":"3zt9YCrSZHHCqHpfMAgj2c","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ea6966b72aa1bf08e85ac861e7bf28b22fb474dda5f41d937f6e06b2f38d8ac. 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/3zt9YCrSZHHCqHpfMAgj2c.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/3zt9YCrSZHHCqHpfMAgj2c.
{"copyright_id":"0x70bbdc2bdc6498f39466fea24d827dc3922a1c2e85ad183e84756d71efb67bfc","isrc":"ARG991032672","name":"Ya No Me Busques Mas","registered_at":"2026-06-10T03:53:14Z","spotify_id":"35dWddcU7c8iyXqthtCabc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70bbdc2bdc6498f39466fea24d827dc3922a1c2e85ad183e84756d71efb67bfc. 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/35dWddcU7c8iyXqthtCabc.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/35dWddcU7c8iyXqthtCabc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16240793e5e6b042c46f3593c72d3b4045f49050220d4442c8fc1f9914965216. 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/6FVwZYbQJUpVpwk2pwIOdv.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/6FVwZYbQJUpVpwk2pwIOdv.
{"copyright_id":"0x6ddb8dfc37ecf9cf2313f87e3c6628e53d4a868916ce20ab471c71add07ce234","isrc":"ARG991029129","name":"Me Tienes Loco","registered_at":"2026-06-27T02:17:48Z","spotify_id":"2rCelCOVKJRyzef1zk8aMY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ddb8dfc37ecf9cf2313f87e3c6628e53d4a868916ce20ab471c71add07ce234. 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/2rCelCOVKJRyzef1zk8aMY.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/2rCelCOVKJRyzef1zk8aMY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbad6009c9a40d67dcb0b2ddcf30953b05c017cac80417d8b283bfc782a3d1e38. 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/0eSZT3DP39tN2zGi0MaGYY.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/0eSZT3DP39tN2zGi0MaGYY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3431839fa9181f94b691af6b8713c5856b479c87732cc271e7558329d01e8173. 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/36vJyCuqse0zidFibh1ybx.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/36vJyCuqse0zidFibh1ybx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1c90378ba514963ace9f6b92c4f790f4045e5780e128aaf676681b826955476. 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/1fAwaxPzUBxeX7rbdlm2Zr.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/1fAwaxPzUBxeX7rbdlm2Zr.
{"copyright_id":"0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e","isrc":"ARG991025591","name":"Me Busca y Me Llama","registered_at":"2026-06-20T22:23:11Z","spotify_id":"0X6ewoJX5bsMxaVp4ic0pf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e. 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/0X6ewoJX5bsMxaVp4ic0pf.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/0X6ewoJX5bsMxaVp4ic0pf.
{"copyright_id":"0x8122dbb1d39f8cb29930cfbed7aef7166a37fe582f9c54a96204df71f26f7ee3","isrc":"ARG991024208","name":"Vamos a Brindar","registered_at":"2026-06-26T00:35:42Z","spotify_id":"3Z9z3j7csW2FbClfaYbXW8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8122dbb1d39f8cb29930cfbed7aef7166a37fe582f9c54a96204df71f26f7ee3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Z9z3j7csW2FbClfaYbXW8.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/3Z9z3j7csW2FbClfaYbXW8.
Enganchados Canto para Bailar (Cumbia Mix)
Enganchados Canto para Bailar - Cumbia Mix
{"copyright_id":"0x076fa6d15bf00b1f507017cb4bc128fb6135aa392b819a49faa8b0b5e3c5fb57","isrc":"ARG991022423","name":"Soltera Soltinha","registered_at":"2026-06-20T22:16:45Z","spotify_id":"0neNvrHSV9aWvMHc7Y4ODr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x076fa6d15bf00b1f507017cb4bc128fb6135aa392b819a49faa8b0b5e3c5fb57. 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/0neNvrHSV9aWvMHc7Y4ODr.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/0neNvrHSV9aWvMHc7Y4ODr.