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 0xa6667be9f272c5d249fb9f0cd72f2a127abb1515dc27c4a1cecb3832e4810458. 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/2171dd52-dfcc-4f67-990c-5693a6128240.json and https://artists.proofprofile.net/proofs/artist/2171dd52-dfcc-4f67-990c-5693a6128240.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe3f5aea5bdf618a61c33e7ec01dff7b83af6d478327b0838c969c3b925ff5195","isrc":"USDM31792901","name":"Fading Out (feat. Rromarin)","registered_at":"2026-06-23T05:44:29Z","spotify_id":"315CIYPPe8o8Aqa1Jb5HJI","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 0xe3f5aea5bdf618a61c33e7ec01dff7b83af6d478327b0838c969c3b925ff5195. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/315CIYPPe8o8Aqa1Jb5HJI.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/315CIYPPe8o8Aqa1Jb5HJI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3f5aea5bdf618a61c33e7ec01dff7b83af6d478327b0838c969c3b925ff5195. 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/6pk3U35XJlai41D5LwfSRJ.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/6pk3U35XJlai41D5LwfSRJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36fd47c9848ed954c2ca1d0071a15e58f8bf7d4920111f9804bc0d22660e8fe2. 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/1KuuxL7HN0m39vrJtj21ke.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/1KuuxL7HN0m39vrJtj21ke.
Fading Out (feat. Rromarin) [Dugong Jr Remix]
Fading Out (feat. Rromarin) - Dugong Jr Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe36e9a1ed9035861490457479c2d429a4bd773baee29eacbe8532a56c1a3f30b. 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/1eZcTmDObmUWVPSvhvYvzx.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/1eZcTmDObmUWVPSvhvYvzx.
{"copyright_id":"0xf3eb58ba27ba0ea2cead599c4ce6908c468dcc5c94bffcf31864e510db3a07f4","isrc":"QM24S2010845","name":"love was here to stay","registered_at":"2026-06-29T00:35:23Z","spotify_id":"03IfE9XnCbVDEH9xeKjaMC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3eb58ba27ba0ea2cead599c4ce6908c468dcc5c94bffcf31864e510db3a07f4. 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/03IfE9XnCbVDEH9xeKjaMC.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/03IfE9XnCbVDEH9xeKjaMC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8cab9443b9f6e06370419a97059876500884c8160991e6732091d151f224f1d. 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/1GoYy6UFGlFy1FVIEXANYu.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/1GoYy6UFGlFy1FVIEXANYu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5c404547f17f57530c65cb6f67983d432fa5087be32044d84ee886710a31ad. 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/11L834zYDV6zqOvaWQARP4.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/11L834zYDV6zqOvaWQARP4.
{"copyright_id":"0x13aa5c505b6b124034350ab8da80e0132b0e41a6cf4dc5523eebb972ce696cea","isrc":"AUBEC2317747","name":"Hold My Breath","registered_at":"2026-06-19T09:29:19Z","spotify_id":"1Yx9SGFC4jA9aig2dKuWjR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13aa5c505b6b124034350ab8da80e0132b0e41a6cf4dc5523eebb972ce696cea. 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/1Yx9SGFC4jA9aig2dKuWjR.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/1Yx9SGFC4jA9aig2dKuWjR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6333060662efb0ac12a8f75509cf0f0329841527c7d46f348373d74ec9a2ab7. 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/2YdOL8cg7iFFalPAlhhqRh.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/2YdOL8cg7iFFalPAlhhqRh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e6dd59ddb6f07f8c22aa7735259579965e17a9f76e62d37e10aff4c0df9fa25. 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/5ew5E8d49jR8jk5FisZiTT.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/5ew5E8d49jR8jk5FisZiTT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2336f516dd2689da8676230a8c17e460fb300d8782b6e7b5fc2c98fd1219061. 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/3UqEtIminCKIey56GiLU1q.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/3UqEtIminCKIey56GiLU1q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2336f516dd2689da8676230a8c17e460fb300d8782b6e7b5fc2c98fd1219061. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1TF40jhhWQ0h98SEHuo84l.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/1TF40jhhWQ0h98SEHuo84l.
{"copyright_id":"0xbc9ca2b875c1e6e124ae7a830f9bfd6ee922c9a76e7398f5d11958dd630588cc","isrc":"GBUM71601458","name":"Embracing Me - Mazde Remix","registered_at":"2026-06-20T09:14:04Z","spotify_id":"5opJCc8XzOLuxhLf4KBTUf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc9ca2b875c1e6e124ae7a830f9bfd6ee922c9a76e7398f5d11958dd630588cc. 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/5opJCc8XzOLuxhLf4KBTUf.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/5opJCc8XzOLuxhLf4KBTUf.