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 0xc29ac97274bbbadc7b6b38579a2f394a5276896abbaadeb7332bdbc26d019e6b. 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/d044d0b3-77fc-4303-bb59-ad16a06ed347.json and https://artists.proofprofile.net/proofs/artist/d044d0b3-77fc-4303-bb59-ad16a06ed347.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 0xb3756eee01091a60d9dfbd96cad8b86328993cf3a301b06e2685b2c91a5aa32e. 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/2a6XcUCkhbdbRHH1cv7Abo.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/2a6XcUCkhbdbRHH1cv7Abo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x580d96b5be62043d6243d3ec895fd046aa06234978e1b795a88502661576ffd0. 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/5lR6MbOIehIGZzgzHtWV4H.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/5lR6MbOIehIGZzgzHtWV4H.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0d887d02f29433064f2d73a2d38ffc4f077bb328b299e199bcc0479dfa41ebc. 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/0hjG0VNPlbhkAKFtP1Rw2q.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/0hjG0VNPlbhkAKFtP1Rw2q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1aa127260e4729eee8dd4c63fa5acaadad8de14a1bd9a18330a21925267ab77. 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/1z62jJ7Yl01nEKP9MBn6ax.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/1z62jJ7Yl01nEKP9MBn6ax.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7a4a8d357b4e86249300d411515d39eeda948c724287f2ea7e3fb775fa3d02. 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/4e0SfXcmsDRWpprwqfS8iD.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/4e0SfXcmsDRWpprwqfS8iD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6311ff748e86e29e2f53f983e8381fd1bbb9a52dafd72de58b9cd99d5a730e0. 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/6TenMYXzorURhe2rFvkagn.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/6TenMYXzorURhe2rFvkagn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547101bbdf2a30a5906e376e21546219d18cabd859c7cec66b3c1363b39b9acd. 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/29BItOt9UlF48Q5NIP1HEl.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/29BItOt9UlF48Q5NIP1HEl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281e9dd6df437ecb6b70ffeeed16db149c8ad1c1a119f81ea5253d848b2a0599. 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/54vsd6GcGKPtgFKOwtmLss.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/54vsd6GcGKPtgFKOwtmLss.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e9cf0c672b25aabbbc7cbc006ec0c67ded8478fbd1f244c59b7d275578d451b. 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/1VgSsVMoSJ9Y4pamnQR6Pr.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/1VgSsVMoSJ9Y4pamnQR6Pr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2d6dc9445f4435d3a5e5e09ae2fb0eef5dd5e642ff758b19f52aef1e2d1a70. 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/3XRyrkGXpgpFvNMIXMbAG1.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/3XRyrkGXpgpFvNMIXMbAG1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa171f645fbadefaebcfc4305e6c53faec967d88e1f0385b8ab6eccf1bb54a2. 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/031MxzOBveI0CrxV48ZHDm.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/031MxzOBveI0CrxV48ZHDm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aed74af37919ff359c99430b347d71880c5657c93c436723e6b20ee7122cc8b. 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/5hmoYOOxTdRWEzUM7cgPSL.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/5hmoYOOxTdRWEzUM7cgPSL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca37a1b977bbcbc0bb3500e45dcaeca3259b9da1c9de016ef289e2ae2faa8fd3. 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/15ov5YQR0R7IU1J4Ep7rwQ.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/15ov5YQR0R7IU1J4Ep7rwQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6f7f7136975a7db7c4f217c3c80fa938ed3c42988da04fa9f2db81879535f1. 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/1NB61gZj0uVKGF7wWethyg.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/1NB61gZj0uVKGF7wWethyg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110de077de18b826c2ba1dce8c55d6abb5fbe0a79a5f4cf91d4a6534b4b6de0f. 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/48WMqBf7Y6hjV5wv1M6KXK.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/48WMqBf7Y6hjV5wv1M6KXK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2883567405354f859cac5f5aa955085d197ca761a62e359c03e422ef91239de1. 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/7MtkDfStPcnWCRukFpoPcx.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/7MtkDfStPcnWCRukFpoPcx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6ac909478b41a266de1503fe9b5fb61fad6d5ac6b009a5551c576d1caabfa72. 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/6nMEG8M7uEtEKTPgcmTgZn.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/6nMEG8M7uEtEKTPgcmTgZn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45231d74ae70b7c9182eef166bb1c1e6ebe740310bc29cf8c51dbeec8c121c5a. 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/1baYNcUH6g0FlSSZCHDNjB.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/1baYNcUH6g0FlSSZCHDNjB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110de077de18b826c2ba1dce8c55d6abb5fbe0a79a5f4cf91d4a6534b4b6de0f. 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/7dMw9aBZwrs7llmwPOxrjj.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/7dMw9aBZwrs7llmwPOxrjj.
{"copyright_id":"0xa4bec2d455e1ab33fb0c513f58843ddc05507785c4412d6ee7f0d2197fd85820","isrc":"JPWP02401719","name":"Unforgettable (feat. Hayato Yoshida)","registered_at":"2026-06-08T07:44:44Z","spotify_id":"0Nq7gEPGhiHAlUpJ5cLO5I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4bec2d455e1ab33fb0c513f58843ddc05507785c4412d6ee7f0d2197fd85820. 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/0Nq7gEPGhiHAlUpJ5cLO5I.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/0Nq7gEPGhiHAlUpJ5cLO5I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2d6e25df3803686a794a252cbfc9916aec916d40497b056ccf29f2306dcc58a. 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/6UzO17ksoRaskS8OQkKpv8.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/6UzO17ksoRaskS8OQkKpv8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7a4a8d357b4e86249300d411515d39eeda948c724287f2ea7e3fb775fa3d02. 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/1UP3pCFXtzA70mC7CRUDUW.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/1UP3pCFXtzA70mC7CRUDUW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3756eee01091a60d9dfbd96cad8b86328993cf3a301b06e2685b2c91a5aa32e. 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/5zqr8SldOKOqZk8Z6kh7Sm.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/5zqr8SldOKOqZk8Z6kh7Sm.
{"copyright_id":"0x24575a40b4b66972e3aabfc58ac4f8cb5992ae6f9943c145ec396d46a4e48b15","isrc":"TCJPX2370569","name":"君と地球で - KNOTT REMIX","registered_at":"2026-06-05T22:56:14Z","spotify_id":"0jlhU21XsXHkO8MpAZ7Yyc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24575a40b4b66972e3aabfc58ac4f8cb5992ae6f9943c145ec396d46a4e48b15. 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/0jlhU21XsXHkO8MpAZ7Yyc.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/0jlhU21XsXHkO8MpAZ7Yyc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba4f5e13f18e8c8bb634931c2e94dffdf676ce09e0f9ae7886b57311ef379909. 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/5P22sB8iIygQRlsFNcwMfN.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/5P22sB8iIygQRlsFNcwMfN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x909de4f45f79f72373928e8d406e4ddd2dba752e94e380d1ac6ce242f16959f6. 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/1kc0cgqL0SuP88O8sdnmEB.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/1kc0cgqL0SuP88O8sdnmEB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72466105ae0ea2b46b775b3555b9c2c0fa0174495be114cdda55c56857d6488f. 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/7yomWGCA6eG7qZ6xwhAJLx.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/7yomWGCA6eG7qZ6xwhAJLx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96b975cb6b2c85bbf17abd8deebad737337044376207112ecab845c5b3802f5. 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/0Btto7eucTfHAv2v5OJqC2.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/0Btto7eucTfHAv2v5OJqC2.
{"copyright_id":"0xa4bec2d455e1ab33fb0c513f58843ddc05507785c4412d6ee7f0d2197fd85820","isrc":"JPWP02401719","name":"Unforgettable (feat. Hayato Yoshida)","registered_at":"2026-06-08T07:44:44Z","spotify_id":"6w4FqKKnQ0Drec0E9ws62j","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4bec2d455e1ab33fb0c513f58843ddc05507785c4412d6ee7f0d2197fd85820. 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/6w4FqKKnQ0Drec0E9ws62j.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/6w4FqKKnQ0Drec0E9ws62j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7d7c36a59bfcc25de691191d14f63ca11515172b618602a43516209351e420. 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/3quOXPOW7ZzmhQ4gkT505t.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/3quOXPOW7ZzmhQ4gkT505t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc715ca7fc59d0cb7befb40b60c16505f2ebaeb1378d2f22e0b63cf52b30b4292. 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/2kcs9VkfHmYxzD4wZ0lvZR.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/2kcs9VkfHmYxzD4wZ0lvZR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cac3788931e94eccc419b8e7c8b641c2290eb4824299a031b438b79741a205c. 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/4hLbuNEfiPNIIJPcAHQ84a.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/4hLbuNEfiPNIIJPcAHQ84a.
{"copyright_id":"0xbfe624ae07364be6dff5ea68b94e3dd02d166edeb0eddddb9d405a40e112df31","isrc":"JPWP02500281","name":"Love again (feat. Rocks)","registered_at":"2026-06-11T21:39:21Z","spotify_id":"67bxfv6MBUMYPrwyV2SL0v","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfe624ae07364be6dff5ea68b94e3dd02d166edeb0eddddb9d405a40e112df31. 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/67bxfv6MBUMYPrwyV2SL0v.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/67bxfv6MBUMYPrwyV2SL0v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff51a5d5e790ce458d9a59cde73c1c6969297c5b0e35a734755d6ccc4de24ce4. 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/0UQk9vwd0BYAYNGSNJH9AH.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/0UQk9vwd0BYAYNGSNJH9AH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd26d298e32f30ad76aa6b92ef171a4333bc1afd65c68b4d0e0e0c007397896c9. 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/6tXU05wHSxzF1l9GyuIPh6.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/6tXU05wHSxzF1l9GyuIPh6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72466105ae0ea2b46b775b3555b9c2c0fa0174495be114cdda55c56857d6488f. 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/2iCyhZdfMUahJUexPnsL43.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/2iCyhZdfMUahJUexPnsL43.
{"copyright_id":"0xa4bec2d455e1ab33fb0c513f58843ddc05507785c4412d6ee7f0d2197fd85820","isrc":"JPWP02401719","name":"Unforgettable (feat. Hayato Yoshida)","registered_at":"2026-06-08T07:44:44Z","spotify_id":"4XLAHrivbFF2LecySwQZrz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4bec2d455e1ab33fb0c513f58843ddc05507785c4412d6ee7f0d2197fd85820. 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/4XLAHrivbFF2LecySwQZrz.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/4XLAHrivbFF2LecySwQZrz.
Chain Smoke (feat. ALB Teddy & 7ys bibi)