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 0xe92ecc303c834943e57e3b2e33439eecd1e967534c16f44d3db53255105ba1ab. 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/f311c53b-ab6b-4d63-885c-8c9f0df7c49b.json and https://artists.proofprofile.net/proofs/artist/f311c53b-ab6b-4d63-885c-8c9f0df7c49b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x56eaf77bc0133ef9c4c97c4a4eb769ca24d8ceaf709aa204cef2619b4a4ee7e6","isrc":"GBUM72006035","name":"Feed The Fire - Kassian Remix","registered_at":"2026-06-06T14:36:06Z","spotify_id":"4xpTM1MCKhY91OGiOhHNf5","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 0x56eaf77bc0133ef9c4c97c4a4eb769ca24d8ceaf709aa204cef2619b4a4ee7e6. 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/4xpTM1MCKhY91OGiOhHNf5.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/4xpTM1MCKhY91OGiOhHNf5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda4f8b9d1f0f55a3210d9401715808029f2091ff5441ecb9b6de930b70dfbe08. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1OjEnGOYPn2QmXINEsvlv0.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/1OjEnGOYPn2QmXINEsvlv0.
{"copyright_id":"0x01ba2ab40b582febf69720bfa8d23ef2d675f2fe6221baa3cecc67a00120cc13","isrc":"QM4TX2436674","name":"Fleuron Drift","registered_at":"2026-06-07T14:18:40Z","spotify_id":"4dk4d4LMWTF7DeTbCcz2AW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01ba2ab40b582febf69720bfa8d23ef2d675f2fe6221baa3cecc67a00120cc13. 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/4dk4d4LMWTF7DeTbCcz2AW.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/4dk4d4LMWTF7DeTbCcz2AW.
{"copyright_id":"0x2faa823461a10bf970dc92df7b79d94d318db98a1488ce1dcd791ba096197d77","isrc":"GBLV62312911","name":"San Junipero - Edmondson Remix","registered_at":"2026-06-11T05:21:52Z","spotify_id":"6Uqc4Mzed1J6E0J8SQrTdT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2faa823461a10bf970dc92df7b79d94d318db98a1488ce1dcd791ba096197d77. 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/6Uqc4Mzed1J6E0J8SQrTdT.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/6Uqc4Mzed1J6E0J8SQrTdT.
Off World Vehicles - Manuel Darquart Remix
No Clear Shape - Christian Nielsen Remix
Diego's Mad Hour - Will Hofbauer's Bubble Bath Mix
{"copyright_id":"0x07000f732e5950b2a657e445cf9c052001d3b19c73b810ee52d209b47e889222","isrc":"GBKQU2324331","name":"Off World Vehicles - Skudge Remix","registered_at":"2026-06-20T20:49:00Z","spotify_id":"0U8TAIMUkZBfLU1giRtSuT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07000f732e5950b2a657e445cf9c052001d3b19c73b810ee52d209b47e889222. 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/0U8TAIMUkZBfLU1giRtSuT.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/0U8TAIMUkZBfLU1giRtSuT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa29fcc4ff427905fbb39deb4f3ddc209d3da6cc47f73cd8fc79f63916f333f9e. 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/6z5E2VK0zv6ZQ9jvKrXa7c.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/6z5E2VK0zv6ZQ9jvKrXa7c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e1410e766454a8faab2b6e80635df6a4a69f3ecb635d8e471b4244fc59ec96c. 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/7n9f3h35mxt2Edz5RsgCsD.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/7n9f3h35mxt2Edz5RsgCsD.
{"copyright_id":"0x6a657dd8d0bb56c74bcdd04dc2b4260649de6f25f2dc6839444f93ebac1e5bc3","isrc":"UK34N1800996","name":"Overtone B - 4x4 Mix","registered_at":"2026-06-21T16:07:41Z","spotify_id":"5ijncw26UxxJ4kSGMLWu2l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a657dd8d0bb56c74bcdd04dc2b4260649de6f25f2dc6839444f93ebac1e5bc3. 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/5ijncw26UxxJ4kSGMLWu2l.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/5ijncw26UxxJ4kSGMLWu2l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b41a98956c60f1f20a93923ec65b25109c71b66f176f442341054bd43d7fd0b. 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/5vrZmdiUexhifGUfApF2UB.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/5vrZmdiUexhifGUfApF2UB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6de4c4bd6b5d410d3b3db25a7607a2ea423c833a69dafc6794e15e9faa474e2a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0uMBlJbM4qzPV54skGrR1p.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/0uMBlJbM4qzPV54skGrR1p.
{"copyright_id":"0xba8798eaea88e992dfa772ed13f97a0b45aeed9c989bbe2732485b4299bcf47d","isrc":"DEG932400636","name":"Pulgueiro Baile","registered_at":"2026-06-07T17:24:44Z","spotify_id":"6npuT5yysm4mkHSwySs677","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8798eaea88e992dfa772ed13f97a0b45aeed9c989bbe2732485b4299bcf47d. 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/6npuT5yysm4mkHSwySs677.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/6npuT5yysm4mkHSwySs677.
{"copyright_id":"0xba8798eaea88e992dfa772ed13f97a0b45aeed9c989bbe2732485b4299bcf47d","isrc":"DEG932400636","name":"Pulgueiro Baile","registered_at":"2026-06-07T17:24:44Z","spotify_id":"6STxAo5kKX2XWRFftsfeE0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8798eaea88e992dfa772ed13f97a0b45aeed9c989bbe2732485b4299bcf47d. 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/6STxAo5kKX2XWRFftsfeE0.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/6STxAo5kKX2XWRFftsfeE0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b41a98956c60f1f20a93923ec65b25109c71b66f176f442341054bd43d7fd0b. 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/6xKxd8wa3S5oABwJwip0WF.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/6xKxd8wa3S5oABwJwip0WF.
Off World Vehicles (Manuel Darquart Remix)
{"copyright_id":"0x2faa823461a10bf970dc92df7b79d94d318db98a1488ce1dcd791ba096197d77","isrc":"GBLV62312911","name":"San Junipero - Edmondson Remix","registered_at":"2026-06-11T05:21:52Z","spotify_id":"0UvpxrTyF36reEOzEhIy4S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2faa823461a10bf970dc92df7b79d94d318db98a1488ce1dcd791ba096197d77. 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/0UvpxrTyF36reEOzEhIy4S.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/0UvpxrTyF36reEOzEhIy4S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38bf55060262bef42028a4802fba6e214613e6cdab07061dfef2fbf1c7f97374. 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/3aFp8hksOhvQoMD0LPB44U.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/3aFp8hksOhvQoMD0LPB44U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38bf55060262bef42028a4802fba6e214613e6cdab07061dfef2fbf1c7f97374. 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/19Wzk0IWecDFWqVNwbtSb4.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/19Wzk0IWecDFWqVNwbtSb4.
{"copyright_id":"0x10d8525b1dfda7aa531adc28536fd2a84fc71e9ca520a889033b50d8ca59522d","isrc":"GBKQU2248339","name":"No Clear Shape - Edit","registered_at":"2026-06-25T05:00:12Z","spotify_id":"4HK94WsZ7gMx5XzVAgSIty","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d8525b1dfda7aa531adc28536fd2a84fc71e9ca520a889033b50d8ca59522d. 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/4HK94WsZ7gMx5XzVAgSIty.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/4HK94WsZ7gMx5XzVAgSIty.
{"copyright_id":"0x87acc5a2d5b4f9954b2f2c8308ad6f6cbbc285ffacce49bc8452625dbcdb69b6","isrc":"UKN6K2001470","name":"Eastern Arps","registered_at":"2026-06-28T03:19:17Z","spotify_id":"71qWfuIFwmpPJbLsltddsD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87acc5a2d5b4f9954b2f2c8308ad6f6cbbc285ffacce49bc8452625dbcdb69b6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71qWfuIFwmpPJbLsltddsD.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/71qWfuIFwmpPJbLsltddsD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1bcdc507f4446a6e940e15f505298c82e5680bb67561f4529c47094e11c750. 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/0kQR814yrWyoGFXEkO0WbP.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/0kQR814yrWyoGFXEkO0WbP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90ec790a3a4433a1c16a52d7c113c969ca1848c4d00518270e71e37a5ac20417. 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/3o4vqzvU3fjJCFQZFo1Trb.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/3o4vqzvU3fjJCFQZFo1Trb.
Feed The Fire (A-Trak & The Brothers Macklovitch Remix)
{"copyright_id":"0x56eaf77bc0133ef9c4c97c4a4eb769ca24d8ceaf709aa204cef2619b4a4ee7e6","isrc":"GBUM72006035","name":"Feed The Fire - Kassian Remix","registered_at":"2026-06-06T14:36:06Z","spotify_id":"024d9seqVPU6J2fw2pGmLd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56eaf77bc0133ef9c4c97c4a4eb769ca24d8ceaf709aa204cef2619b4a4ee7e6. 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/024d9seqVPU6J2fw2pGmLd.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/024d9seqVPU6J2fw2pGmLd.
{"copyright_id":"0x56eaf77bc0133ef9c4c97c4a4eb769ca24d8ceaf709aa204cef2619b4a4ee7e6","isrc":"GBUM72006035","name":"Feed The Fire - Kassian Remix","registered_at":"2026-06-06T14:36:06Z","spotify_id":"1PktBytgzvWYiiwf1FAPl7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56eaf77bc0133ef9c4c97c4a4eb769ca24d8ceaf709aa204cef2619b4a4ee7e6. 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/1PktBytgzvWYiiwf1FAPl7.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/1PktBytgzvWYiiwf1FAPl7.
No Clear Shape (Christian Nielsen Remix)
You Treat Me Like a Fool - Kassian Remix