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 0x8f415d88fbd19cb60ccd4731bd41119a1e59b1db34a0b4b36ba334bba67361f8. 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/2c43890b-c18b-43af-aaaf-fc18ca790761.json and https://artists.proofprofile.net/proofs/artist/2c43890b-c18b-43af-aaaf-fc18ca790761.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Eurovision (feat. Rondodasosa, Baby Gang, A2 Anti, Morad, Beny Jr, Ashe 22 & Freeze corleone)
{"copyright_id":"0x40960a693ee389e73be2f7eddc06b02a972064ed7df6355800c2d3e74d7e1105","isrc":"ZZOPM2118748","name":"Eurovision (feat. Rondodasosa, Baby Gang, A2 Anti, Morad, Beny Jr, Ashe 22 & Freeze corleone)","registered_at":"2026-06-03T13:27:00Z","spotify_id":"2uT9XsyRBJyLOGJzUeMARn","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 0x40960a693ee389e73be2f7eddc06b02a972064ed7df6355800c2d3e74d7e1105. 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/2uT9XsyRBJyLOGJzUeMARn.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/2uT9XsyRBJyLOGJzUeMARn.
{"copyright_id":"0x803bb0887c77bc9afbde6ceaef8a213e538431265518f0593d7a5621c991eafb","isrc":"ZZOPM2118745","name":"Straight Back to It","registered_at":"2026-06-04T06:53:01Z","spotify_id":"5EG7iz7EimbKcEoZ2JKZaK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x803bb0887c77bc9afbde6ceaef8a213e538431265518f0593d7a5621c991eafb. 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/5EG7iz7EimbKcEoZ2JKZaK.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/5EG7iz7EimbKcEoZ2JKZaK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e8ccd95b2706281779b2ca921a3bdb4719021d32145e768efe26dc9d6218b83. 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/0xmkRPoucfqQxVBlpAed2L.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/0xmkRPoucfqQxVBlpAed2L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb9bd08cf67c8fbb08cb09b7f5323b64a39d1316c7047a6c5650619d2436a6f5. 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/7ySdHn9SFcYlHAZl1mIdd5.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/7ySdHn9SFcYlHAZl1mIdd5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5042509aa95a0d4e19bf76c265715223d0d95da0369557848caadb2f519fc5cb. 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/5jxzCZIru8kCp6emuFosp1.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/5jxzCZIru8kCp6emuFosp1.
{"copyright_id":"0x050d2926722d224d0a4240ebe418ac2f0f3efe1a67887df6b7f06056016fb6d2","isrc":"ZZOPM2110165","name":"Obsessed With You","registered_at":"2026-06-03T07:15:53Z","spotify_id":"0ahA5MyJpofBv8HSNhzGIx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x050d2926722d224d0a4240ebe418ac2f0f3efe1a67887df6b7f06056016fb6d2. 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/0ahA5MyJpofBv8HSNhzGIx.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/0ahA5MyJpofBv8HSNhzGIx.
Body (Remix) [feat. Capo Plaza & Rondodasosa]
{"copyright_id":"0x1cee0a2caefc083855de5b57fec0335e887dd63437b24b1d52f3a059dd961a5c","isrc":"GBAHS2100283","name":"Body (Remix) [feat. Capo Plaza & Rondodasosa]","registered_at":"2026-06-01T16:01:03Z","spotify_id":"1JAkXiY10vwLhSbcsiimrp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cee0a2caefc083855de5b57fec0335e887dd63437b24b1d52f3a059dd961a5c. 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/1JAkXiY10vwLhSbcsiimrp.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/1JAkXiY10vwLhSbcsiimrp.
{"copyright_id":"0x40960a693ee389e73be2f7eddc06b02a972064ed7df6355800c2d3e74d7e1105","isrc":"ZZOPM2118748","name":"Eurovision (feat. Rondodasosa, Baby Gang, A2 Anti, Morad, Beny Jr, Ashe 22 & Freeze corleone)","registered_at":"2026-06-01T08:58:12Z","spotify_id":"4f5TKGvkD4TkTjr61GKNAG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40960a693ee389e73be2f7eddc06b02a972064ed7df6355800c2d3e74d7e1105. 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/4f5TKGvkD4TkTjr61GKNAG.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/4f5TKGvkD4TkTjr61GKNAG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87199ab6fa741d94b785700efe57813dce12256616ab8fa2037fa25b3a976751. 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/57fle7Lnf7lOXNf76r2x6C.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/57fle7Lnf7lOXNf76r2x6C.
Dancer (feat. Noizy, Rondodasosa & Capo Plaza)
{"copyright_id":"0x5113c1467101b7e22f589aa20cab0ab178dbb4730947b5efb2ad9aeb74f61061","isrc":"GBARL2202501","name":"Dancer (feat. Noizy, Rondodasosa & Capo Plaza)","registered_at":"2026-06-05T12:51:56Z","spotify_id":"57ubCgw0giJhVSayXBJ0xH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5113c1467101b7e22f589aa20cab0ab178dbb4730947b5efb2ad9aeb74f61061. 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/57ubCgw0giJhVSayXBJ0xH.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/57ubCgw0giJhVSayXBJ0xH.
{"copyright_id":"0x5113c1467101b7e22f589aa20cab0ab178dbb4730947b5efb2ad9aeb74f61061","isrc":"GBARL2202501","name":"Dancer (feat. Noizy, Rondodasosa & Capo Plaza)","registered_at":"2026-06-05T12:51:56Z","spotify_id":"5092WBFsPhz41OsJJL6HRa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5113c1467101b7e22f589aa20cab0ab178dbb4730947b5efb2ad9aeb74f61061. 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/5092WBFsPhz41OsJJL6HRa.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/5092WBFsPhz41OsJJL6HRa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62749635ab5f11792adb35dc30f37e1e231572b6f20f54170978de3d5d44bdaa. 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/2CWHg8U4e8aMz4x2aL6P3O.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/2CWHg8U4e8aMz4x2aL6P3O.
{"copyright_id":"0x6cb8edfd5fb049502cdd3fb52791fcceefafa23fb56aa296445e705ea6e8c97c","isrc":"ITGGO2400013","name":"MY BRUDDA (feat. Rondodasosa)","registered_at":"2026-06-18T14:34:51Z","spotify_id":"25GoDPIZmdXTRtV8163v0t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cb8edfd5fb049502cdd3fb52791fcceefafa23fb56aa296445e705ea6e8c97c. 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/25GoDPIZmdXTRtV8163v0t.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/25GoDPIZmdXTRtV8163v0t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380644cc15ba4c03b904c59f33b8e00e1135d0efb5d5c9110b647a219e4a3856. 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/6xCK2yF7qdks8hGGjYTZCa.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/6xCK2yF7qdks8hGGjYTZCa.
{"copyright_id":"0x6cb8edfd5fb049502cdd3fb52791fcceefafa23fb56aa296445e705ea6e8c97c","isrc":"ITGGO2400013","name":"MY BRUDDA (feat. Rondodasosa)","registered_at":"2026-06-18T14:34:51Z","spotify_id":"518l2vUQgd2K0SHDXkhj7G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cb8edfd5fb049502cdd3fb52791fcceefafa23fb56aa296445e705ea6e8c97c. 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/518l2vUQgd2K0SHDXkhj7G.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/518l2vUQgd2K0SHDXkhj7G.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x380644cc15ba4c03b904c59f33b8e00e1135d0efb5d5c9110b647a219e4a3856. 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/5O3JxKrBqIQais5ZgMx1Qp.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/5O3JxKrBqIQais5ZgMx1Qp.
{"copyright_id":"0x44b84a3d2e596ab60aabd88dcb8d11178eed2703761fd1bac2ea77251e3d075b","isrc":"IT4U12300061","name":"CHALLENGER (feat. Rondodasosa)","registered_at":"2026-06-05T20:18:09Z","spotify_id":"210Cg1htsgScRRJwnLiWRb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b84a3d2e596ab60aabd88dcb8d11178eed2703761fd1bac2ea77251e3d075b. 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/210Cg1htsgScRRJwnLiWRb.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/210Cg1htsgScRRJwnLiWRb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6134b9a1fa31e83f8483883855dd755f28c4368754ebe029e5c3a9fa66261f77. 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/2tYczSXwMmsf5xkvGXa0wU.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/2tYczSXwMmsf5xkvGXa0wU.
{"copyright_id":"0xc268bb621e06d01aa1cceda8d8b50e73fb2765e210feda4000e2e497dbfae797","isrc":"ITC6Q2300013","name":"Mama Africa (feat. Rondodasosa)","registered_at":"2026-06-06T21:42:07Z","spotify_id":"1PbMiAsYKgFE5m4IP8OEDv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc268bb621e06d01aa1cceda8d8b50e73fb2765e210feda4000e2e497dbfae797. 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/1PbMiAsYKgFE5m4IP8OEDv.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/1PbMiAsYKgFE5m4IP8OEDv.
{"copyright_id":"0xd3f3d8a0d736bca6178c61557211446402e50a23cde5f1f1078f9df4d1d1f77c","isrc":"ITGGO2300006","name":"GangstaBaby (feat. Rondodasosa)","registered_at":"2026-06-05T05:46:02Z","spotify_id":"3fsDYD3B1niEm6qDpBWEHL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3f3d8a0d736bca6178c61557211446402e50a23cde5f1f1078f9df4d1d1f77c. 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/3fsDYD3B1niEm6qDpBWEHL.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/3fsDYD3B1niEm6qDpBWEHL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ba8a4d03d84fcc680881478d87c32049de7653fa9234bcd965b7ca813397c7d. 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/6yX3lSkO4F3FKx5wDJi4J0.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/6yX3lSkO4F3FKx5wDJi4J0.
{"copyright_id":"0xc8c8b0fa2fd5bd142af88b3a870869addf9812be2ecc89ea4d72c8f02473aeb8","isrc":"US39N2302991","name":"EYES OF THE TIGER","registered_at":"2026-06-04T09:28:32Z","spotify_id":"7FchJ6ULk7tJh2A7s0SvPZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c8b0fa2fd5bd142af88b3a870869addf9812be2ecc89ea4d72c8f02473aeb8. 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/7FchJ6ULk7tJh2A7s0SvPZ.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/7FchJ6ULk7tJh2A7s0SvPZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87b666260930f028ccc718d4b5e24fc9f1431a54484a77995b1ab3ca26804659. 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/6STWEn9R1a89R2KBQ3qPtS.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/6STWEn9R1a89R2KBQ3qPtS.