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 0x8492f0df3892aceffb55d31a07f4a7c1199f515e0a3a36c740e203c5cf6833e2. 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/8db37ce3-44cb-4785-9b00-f96505f701b7.json and https://artists.proofprofile.net/proofs/artist/8db37ce3-44cb-4785-9b00-f96505f701b7.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 0xcdea5a102b340e438522f476087378a43548636e5428bf0cb36235dab974de42. 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/5UzLPjUzrIStZCocniiH1y.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/5UzLPjUzrIStZCocniiH1y.
{"copyright_id":"0x5408fc4d13e795f89b09c1f9dfcd5d3bc685881bfb0db6333df8f7a60537b985","isrc":"QZS7J2304176","name":"Floatin On A Wave","registered_at":"2026-06-27T01:46:20Z","spotify_id":"0cVGhBeCUPxB56rhT3PypX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5408fc4d13e795f89b09c1f9dfcd5d3bc685881bfb0db6333df8f7a60537b985. 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/0cVGhBeCUPxB56rhT3PypX.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/0cVGhBeCUPxB56rhT3PypX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1dcf021122b8506a2613d880832e422574b8387e5665bb99349d5680d1a5f2. 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/6PGoSes0D9eUDeeAafB2As.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/6PGoSes0D9eUDeeAafB2As.
Wat's Wrong (feat. Zacari & Kendrick Lamar)
{"copyright_id":"0x1e0020ea8922cd441020e8fae4e531bb4a76f06bbb6d5fff531e99b94aad150b","isrc":"TCACR1650835","name":"Wat's Wrong (feat. Zacari & Kendrick Lamar)","registered_at":"2026-06-01T05:41:44Z","spotify_id":"2RPbEp0DyBVlkRvvYKopO7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0020ea8922cd441020e8fae4e531bb4a76f06bbb6d5fff531e99b94aad150b. 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/2RPbEp0DyBVlkRvvYKopO7.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/2RPbEp0DyBVlkRvvYKopO7.
F*CK U SKRILLEX YOU THINK UR ANDY WARHOL BUT UR NOT!! <3
{"copyright_id":"0x148310a177638389a2e0bae9ee2ae8fb69bb773c2bf1b8742950d1059e34803c","isrc":"USAT22501802","name":"MOMENTUM (feat. Ilykimchi)","registered_at":"2026-06-01T13:20:30Z","spotify_id":"3bFT9KSp6HRmSyDgMVCyuA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x148310a177638389a2e0bae9ee2ae8fb69bb773c2bf1b8742950d1059e34803c. 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/3bFT9KSp6HRmSyDgMVCyuA.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/3bFT9KSp6HRmSyDgMVCyuA.
Black Panther The Album Music From And Inspired By
{"copyright_id":"0x396dfda2f29448a2d47fdcd28ef6b3ba91966b5eadf07810a77cd2c5657f130d","isrc":"USUM71714100","name":"Redemption (with Babes Wodumo)","registered_at":"2026-06-04T07:18:37Z","spotify_id":"76iVOVsliCHlWqKuDnCfhE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x396dfda2f29448a2d47fdcd28ef6b3ba91966b5eadf07810a77cd2c5657f130d. 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/76iVOVsliCHlWqKuDnCfhE.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/76iVOVsliCHlWqKuDnCfhE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71add76d2707f32e5f1d50a17e26d7e309083f7d532868841879a9887d5554e7. 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/1ybUoaEu2gugACUc6NC6Af.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/1ybUoaEu2gugACUc6NC6Af.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf122f3654ff1f49c71f89538036eb032a908ea6262404b6948ec524666a70e1c. 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/4FpfU1O7WCLBnmwu5XAFk4.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/4FpfU1O7WCLBnmwu5XAFk4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1dcf021122b8506a2613d880832e422574b8387e5665bb99349d5680d1a5f2. 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/0R9U7yIlLm8KAL6iQbwKKT.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/0R9U7yIlLm8KAL6iQbwKKT.
Melt My Eyez See Your Future (The Extended Edition)
{"copyright_id":"0x5a8d3a9594a00a502747c1ade43ee613639df68ec7d15c04386fcf315aa49f7f","isrc":"USC4R2224262","name":"Chrome Hearts [Feat. Zacari]","registered_at":"2026-06-04T11:04:32Z","spotify_id":"1jElpS6qTkqQWy24SjZljU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a8d3a9594a00a502747c1ade43ee613639df68ec7d15c04386fcf315aa49f7f. 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/1jElpS6qTkqQWy24SjZljU.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/1jElpS6qTkqQWy24SjZljU.
Family First! (Ft. Kalan.FrFr, SiR & Zacari)
{"copyright_id":"0xa98f66e8dccad18951b3e96f5fe693be12071b93dbdcb432e1549d7789a4f65a","isrc":"QZLPZ2300021","name":"Family First! (Ft. Kalan.FrFr, SiR & Zacari)","registered_at":"2026-06-10T01:06:42Z","spotify_id":"4IvbICOBK3KjMlf1rbfuU7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98f66e8dccad18951b3e96f5fe693be12071b93dbdcb432e1549d7789a4f65a. 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/4IvbICOBK3KjMlf1rbfuU7.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/4IvbICOBK3KjMlf1rbfuU7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22de7e3f358401dd239ff8fce503d2240f1bb6d4299315e45c14b7bd07d30163. 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/0Sccsp8Pz1c35R8SD5yn6G.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/0Sccsp8Pz1c35R8SD5yn6G.
{"copyright_id":"0x5408fc4d13e795f89b09c1f9dfcd5d3bc685881bfb0db6333df8f7a60537b985","isrc":"QZS7J2304176","name":"Floatin On A Wave","registered_at":"2026-06-27T01:46:20Z","spotify_id":"6xcXijr3ZiTaNo3Qc3XB7x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5408fc4d13e795f89b09c1f9dfcd5d3bc685881bfb0db6333df8f7a60537b985. 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/6xcXijr3ZiTaNo3Qc3XB7x.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/6xcXijr3ZiTaNo3Qc3XB7x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22de7e3f358401dd239ff8fce503d2240f1bb6d4299315e45c14b7bd07d30163. 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/0ywv4ZU7LVVp1sNm3WayXo.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/0ywv4ZU7LVVp1sNm3WayXo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53975f9650ba272c450e2a088dd261db5b965621797304a04a8a330da20edf82. 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/49vay1EpGDgK8B5oYTGMpj.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/49vay1EpGDgK8B5oYTGMpj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e9241d6a33e426a572b480b10f4a64a2a756b5d73f2bea6a7fc92a7f86f2bf4. 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/4OA6xSJNv6xG99eYU3zG2B.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/4OA6xSJNv6xG99eYU3zG2B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x591c0db8dfb9f5f1ab097df05f72f60be36254fddea39554ff22b16adfc7aea4. 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/6457xos9iBf72uoe0iKVHa.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/6457xos9iBf72uoe0iKVHa.