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 0x8294404a28ed79488f55b71cee4c7cc2b2b0e8bfaf810b1f165fdbdf51ba82d7. 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/c6d379a5-f10a-4900-84ed-7c6e820ef27f.json and https://artists.proofprofile.net/proofs/artist/c6d379a5-f10a-4900-84ed-7c6e820ef27f.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 0x6185b2022dd09b0a7a9b78a8d8e61d0ff3f1d6172429db5bbfa05dd6ea073c42. 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/5zzr5PlTd66MGvlc6uP6tP.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/5zzr5PlTd66MGvlc6uP6tP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe35b82396f8e212ce51b965d66206e2e537117dc847ab867f3d0b07e85c54676. 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/5ISu7r4uRgjnqQgJFL9YB1.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/5ISu7r4uRgjnqQgJFL9YB1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ec37257979ce8979eaeeda808e0dfd6066cc238d5f668f9112475acd75442c8. 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/25r2ZG7p4ij0LEbsrC8BqF.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/25r2ZG7p4ij0LEbsrC8BqF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c7f67a2f40b7ccb12eb5ff7ffbd22d079ea17a333a9b4f5e311c81c083b1d7. 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/79IgQUAFQOo4yKWqBRvX2Q.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/79IgQUAFQOo4yKWqBRvX2Q.
{"copyright_id":"0x40d06466c0d2f99606a66baa0eaff6f96cea0e5ab7b8581e28a69a0a3f44df76","isrc":"AEA0D1951532","name":"Novia Para 2","registered_at":"2026-06-22T06:42:44Z","spotify_id":"0axhaOspRaVcWt4AJAIlfx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40d06466c0d2f99606a66baa0eaff6f96cea0e5ab7b8581e28a69a0a3f44df76. 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/0axhaOspRaVcWt4AJAIlfx.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/0axhaOspRaVcWt4AJAIlfx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbad447ee491562d80df87d87349b03401628e71b747b3cf21ed58925b5a0102b. 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/5OlqNohmEy4peeoJHdESD5.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/5OlqNohmEy4peeoJHdESD5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c93440e50ae322d7db947fd04b54213618ce2aed5465e97f8c5fdc732a9969a. 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/2o3E0K0s69RzSk4Xxu7gNN.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/2o3E0K0s69RzSk4Xxu7gNN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x936923f794548f6fbf064e586ce2fa8bb86ae9261b3db7eade9c99168c2cc922. 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/6tOpkEY1E0QL3vP3jyc83l.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/6tOpkEY1E0QL3vP3jyc83l.
{"copyright_id":"0x28f88fc33266672ebf47c33cbba5971f6eff031f9e8c56bd5b2a7ddaa2f71d4b","isrc":"QZL432300053","name":"Jaque Mate","registered_at":"2026-06-25T23:08:30Z","spotify_id":"5sGRdsr2bl8JSNV2TA5u2M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f88fc33266672ebf47c33cbba5971f6eff031f9e8c56bd5b2a7ddaa2f71d4b. 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/5sGRdsr2bl8JSNV2TA5u2M.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/5sGRdsr2bl8JSNV2TA5u2M.
{"copyright_id":"0x16dc5105ec029b056ac01be526c4156cc3b16b67d69ab7fd7ae3f6ff2090cfb5","isrc":"USA2P2307282","name":"2 Noticias ((Remix))","registered_at":"2026-06-08T14:04:18Z","spotify_id":"6MBL7Lc4ghrZRwIEMfT4SL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16dc5105ec029b056ac01be526c4156cc3b16b67d69ab7fd7ae3f6ff2090cfb5. 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/6MBL7Lc4ghrZRwIEMfT4SL.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/6MBL7Lc4ghrZRwIEMfT4SL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2b2d13bcab329306f1797f83771c9f349e08c21588ce3c63beedf3e15d751e. 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/0D5KGytyJF11WZ5bsT2zWe.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/0D5KGytyJF11WZ5bsT2zWe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ec2145bb6d69542a22d2d1bc58ad41655354fffc874592202a7ada35c51f65. 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/76XGTpkO4GlfgrqHKG6Awu.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/76XGTpkO4GlfgrqHKG6Awu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4db486eee9cc75d124daae455643112b42aa6345d795da578e883b123f6fd0c2. 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/4zyfWZU3iUokgarPejOjfL.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/4zyfWZU3iUokgarPejOjfL.
{"copyright_id":"0x2190ca3ae900e357f233eceac45b0583eceec04b5bef9981a1b8f0d75700d13e","isrc":"GX3Q92004126","name":"Cuchi Baby","registered_at":"2026-06-23T06:26:47Z","spotify_id":"5uYH2y7UhA1chSwOWuLtIi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2190ca3ae900e357f233eceac45b0583eceec04b5bef9981a1b8f0d75700d13e. 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/5uYH2y7UhA1chSwOWuLtIi.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/5uYH2y7UhA1chSwOWuLtIi.
{"copyright_id":"0x43e7157049738fadbcc4d83d7a9a2aa615bedc529e5bebfe286ceb2095e8c39b","isrc":"GBLFP2176924","name":"Entre El Amor & La Glock","registered_at":"2026-06-07T21:37:50Z","spotify_id":"5Qbo9d9mjDUbzE2KWj2sg6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e7157049738fadbcc4d83d7a9a2aa615bedc529e5bebfe286ceb2095e8c39b. 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/5Qbo9d9mjDUbzE2KWj2sg6.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/5Qbo9d9mjDUbzE2KWj2sg6.
{"copyright_id":"0xe679b9c6866a263f8f4effc3aea8cc09cdefcede43ff00fba4357bb133afdb91","isrc":"GBLFP2132100","name":"La Filosofía del Amor","registered_at":"2026-06-05T09:40:19Z","spotify_id":"4cM4LqXLlwfcAuICkoIQ7x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe679b9c6866a263f8f4effc3aea8cc09cdefcede43ff00fba4357bb133afdb91. 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/4cM4LqXLlwfcAuICkoIQ7x.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/4cM4LqXLlwfcAuICkoIQ7x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa552631af63070b6e14cb98f1e0fa994fa078a569c9e0d6eba81d81a90868545. 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/68aw96afl2lxhTiHpRD5Ws.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/68aw96afl2lxhTiHpRD5Ws.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba497f2eb9de1f737c99c266b3099d8ada6b6657fb0843232c386f5b92bbefc4. 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/3E0MA7YLZ9icrzhRGbyOIW.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/3E0MA7YLZ9icrzhRGbyOIW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e80519d48406d59cab0a7c8b5f83678fe7118a10fa49117d9427730663673e. 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/2YFYiVKSkQQQMcJwTJLjQt.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/2YFYiVKSkQQQMcJwTJLjQt.
{"copyright_id":"0x7768f99dfe8c3f096726a451d643ef1062a24add6e15f1b23bb0cf4bbb494e69","isrc":"GBZB51900018","name":"Sensima (Loco Fefo) - Remix","registered_at":"2026-06-09T15:00:30Z","spotify_id":"3dTiOEjvthp3f5l70mLcZo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7768f99dfe8c3f096726a451d643ef1062a24add6e15f1b23bb0cf4bbb494e69. 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/3dTiOEjvthp3f5l70mLcZo.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/3dTiOEjvthp3f5l70mLcZo.
{"copyright_id":"0xc0de67d2a3eb37420dd32ccced3d4a183c959edca3791ffeb5b99d7aa13a0e99","isrc":"GBLFP2271394","name":"Mala Vida","registered_at":"2026-06-05T22:25:59Z","spotify_id":"7oWq2gVEVF9qEyHDGBSVBe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0de67d2a3eb37420dd32ccced3d4a183c959edca3791ffeb5b99d7aa13a0e99. 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/7oWq2gVEVF9qEyHDGBSVBe.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/7oWq2gVEVF9qEyHDGBSVBe.
{"copyright_id":"0xa795bc89fb33969b9a5b69da3df2e3fe304845d37f50f1fa93840cf5ca0e21ac","isrc":"TCADN1814324","name":"Entre El Polvo y El Amor","registered_at":"2026-06-04T13:53:03Z","spotify_id":"2XTNT059fM40XuoknlGh5A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa795bc89fb33969b9a5b69da3df2e3fe304845d37f50f1fa93840cf5ca0e21ac. 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/2XTNT059fM40XuoknlGh5A.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/2XTNT059fM40XuoknlGh5A.
{"copyright_id":"0x43dabaeb29feeb7627deeb17d5945878cb90acfc62f27c9a22e64b5336be03b1","isrc":"TCADN1814338","name":"Ponle La Firma","registered_at":"2026-06-06T05:20:16Z","spotify_id":"3jJ4Uk1w3g7ZuduKwnA5R0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43dabaeb29feeb7627deeb17d5945878cb90acfc62f27c9a22e64b5336be03b1. 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/3jJ4Uk1w3g7ZuduKwnA5R0.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/3jJ4Uk1w3g7ZuduKwnA5R0.
{"copyright_id":"0x3dd28cf45e42dbf03cfc6ccaaa1d3ff1ad06bba9183c57aeecb0bf486ac042cb","isrc":"TCADN1814357","name":"Tu Comedero","registered_at":"2026-06-08T13:17:11Z","spotify_id":"2h0mNjoIO9znuH7CERtmla","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dd28cf45e42dbf03cfc6ccaaa1d3ff1ad06bba9183c57aeecb0bf486ac042cb. 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/2h0mNjoIO9znuH7CERtmla.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/2h0mNjoIO9znuH7CERtmla.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27b280827267c2dee7a6622360bd87a7f413da49d7d4d37bf5a7027b80b415ad. 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/31nyQDudjhsST0f5qWSvvj.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/31nyQDudjhsST0f5qWSvvj.
Entre el Polvo y el Amor (feat. Dubosky)
Ponle la Firma (feat. Dubosky & Original Fat)
{"copyright_id":"0x0b05acf8e1901dd09edf17345977e39b0dc6594442ebc9034cb4bc91210d5501","isrc":"TCADU1834569","name":"Verdad o Mentira (Remix)","registered_at":"2026-06-08T17:52:21Z","spotify_id":"0oRWwD7W8nDWwWTSi5MWDC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b05acf8e1901dd09edf17345977e39b0dc6594442ebc9034cb4bc91210d5501. 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/0oRWwD7W8nDWwWTSi5MWDC.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/0oRWwD7W8nDWwWTSi5MWDC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ec230112c0f6fa9f04118d870489e68a940360c1b0498a2c6b70984f258487. 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/366RO7Xyf09HvGmawv0RYc.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/366RO7Xyf09HvGmawv0RYc.