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 0x70822200202e7e615c34b86e7cea9df2a7368681a4c88830384e8e5220a78cc0. 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/7d9c55c6-4394-44cc-9a52-0738f8a5d7e0.json and https://artists.proofprofile.net/proofs/artist/7d9c55c6-4394-44cc-9a52-0738f8a5d7e0.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 0x3c1b4ce1f95aca56b76c399809f2b89ebe89c23a2d771e9906b0ae93b6265710. 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/6rxSfMjAvdouu4Cya2GG5i.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/6rxSfMjAvdouu4Cya2GG5i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1731662ab0fed67728168ed1609ef1f241242d074c8feeb00f89caa80230bc9. 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/2te8FFTibWYepRJ43kdRQW.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/2te8FFTibWYepRJ43kdRQW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8d8f356496371679cd819cc1f92b985afc308ca3067866563336b478ac33de. 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/5D6neUzANqRAcxPRjn2YKX.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/5D6neUzANqRAcxPRjn2YKX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49933f4f8443fe5171c0aa849a7e9369e6af97db963817271335992f2c1428a7. 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/0FmNSAH5uNzA4OXVYPk9HL.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/0FmNSAH5uNzA4OXVYPk9HL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373ed2e614f838c657bb10efeef061438846cb7600e695f05e4ae0676f023879. 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/2C7DBHjPOdgNyG3mxU23u9.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/2C7DBHjPOdgNyG3mxU23u9.
{"copyright_id":"0xb74b9ff18b1c0dbe66b7c73c89c1bb9f5039f5ea1bc3f32da6e2c36b9573aea4","isrc":"QM6DC1969321","name":"El Primero En La Fila","registered_at":"2026-06-18T06:32:43Z","spotify_id":"24OFe8c6d8Ny8B5w3ydoz0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74b9ff18b1c0dbe66b7c73c89c1bb9f5039f5ea1bc3f32da6e2c36b9573aea4. 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/24OFe8c6d8Ny8B5w3ydoz0.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/24OFe8c6d8Ny8B5w3ydoz0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f7d6b206bf267fc14a617fd36d19f99ac4c534c7c01837ccc14dd0f9c039ede. 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/2bHGS2NM1KkOKa4yfGhH6T.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/2bHGS2NM1KkOKa4yfGhH6T.
{"copyright_id":"0x59f86ef3f9073359f170dd85c5dd2ce88e755e0473bb8ddfff1a89c071745b41","isrc":"QM6DC1906468","name":"Sangre De Mi Sangre","registered_at":"2026-06-25T07:07:05Z","spotify_id":"4Wcki3uQyHukMJoFFUwkrN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59f86ef3f9073359f170dd85c5dd2ce88e755e0473bb8ddfff1a89c071745b41. 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/4Wcki3uQyHukMJoFFUwkrN.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/4Wcki3uQyHukMJoFFUwkrN.
{"copyright_id":"0x61cf23384dcdf3a7a460cd3a5d558a4a2717b50472756c8449cca15728acd7a3","isrc":"QM6DC1906469","name":"Tierra Y Libertad","registered_at":"2026-06-09T11:29:10Z","spotify_id":"6GV1dwCjqr3LFKFVYHXPHp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61cf23384dcdf3a7a460cd3a5d558a4a2717b50472756c8449cca15728acd7a3. 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/6GV1dwCjqr3LFKFVYHXPHp.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/6GV1dwCjqr3LFKFVYHXPHp.
{"copyright_id":"0xa0a827a78fb00d9e9e3fbbef6aa318cba46cce0dee0890705e9fdf0ea7fbf8bc","isrc":"QM6DC1906470","name":"El Canguro Jack","registered_at":"2026-06-09T11:22:40Z","spotify_id":"3VEKCcsxxVey3x7CdFBj97","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a827a78fb00d9e9e3fbbef6aa318cba46cce0dee0890705e9fdf0ea7fbf8bc. 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/3VEKCcsxxVey3x7CdFBj97.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/3VEKCcsxxVey3x7CdFBj97.
{"copyright_id":"0x955fab22f7461792ed3ad234fed4a02ea9a8f81f23662319c8c3c93e2af9e4d7","isrc":"QM6DC1906474","name":"Se Apellida Montana","registered_at":"2026-06-19T18:12:51Z","spotify_id":"7kaqBBzjPJrOW8Wk6ir2Ah","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x955fab22f7461792ed3ad234fed4a02ea9a8f81f23662319c8c3c93e2af9e4d7. 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/7kaqBBzjPJrOW8Wk6ir2Ah.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/7kaqBBzjPJrOW8Wk6ir2Ah.
{"copyright_id":"0x7a5bb3185eb889b99be4bfbbf74aaadac99d4791cd558dfce007ea2f3f526198","isrc":"QM6DC1906475","name":"La Historia De J J","registered_at":"2026-06-27T17:49:21Z","spotify_id":"4mOUQhwzeodN590wY6oRSd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a5bb3185eb889b99be4bfbbf74aaadac99d4791cd558dfce007ea2f3f526198. 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/4mOUQhwzeodN590wY6oRSd.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/4mOUQhwzeodN590wY6oRSd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a9096cc898bca764e944e0fd325b86a5ee8bb3d6faf82616fc8064b57b2800. 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/1GiqxMLjgZGhX9x5aT4aca.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/1GiqxMLjgZGhX9x5aT4aca.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c53717646661e734ae36eb1a87e53cb15325bde646b638c853e65f412252d9. 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/5y6eQvxg5CjeBIhwT6bmET.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/5y6eQvxg5CjeBIhwT6bmET.
{"copyright_id":"0x5b8fd6bd04305ec8524b5fe6f7d7f9e680c0e12288b7e6f02b6af8b16bd230b0","isrc":"QZDQH2425199","name":"El 06 De Yahualica","registered_at":"2026-06-20T12:59:30Z","spotify_id":"7HbPDtOSxcDIRv0QbqRjVQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8fd6bd04305ec8524b5fe6f7d7f9e680c0e12288b7e6f02b6af8b16bd230b0. 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/7HbPDtOSxcDIRv0QbqRjVQ.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/7HbPDtOSxcDIRv0QbqRjVQ.
{"copyright_id":"0x8f7da2813c5356b24eac399fabea75cec38c61ec5491b46ea41f1ee8710786b2","isrc":"QZDQH2410742","name":"El Gerente","registered_at":"2026-06-06T06:37:03Z","spotify_id":"3m90uyqHjUrNPjUf7ZBypa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7da2813c5356b24eac399fabea75cec38c61ec5491b46ea41f1ee8710786b2. 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/3m90uyqHjUrNPjUf7ZBypa.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/3m90uyqHjUrNPjUf7ZBypa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d20d1e675f8a7a936c5f3c6bbb0774399bcf556974a3c4584ac306fca8dd94. 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/4wm3D4iNdAE3POQUbQaMU2.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/4wm3D4iNdAE3POQUbQaMU2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e90fe6c5370cc07395f592bf565a5fa4d53b140dcfcde314809986c4ee3a15. 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/1KiHcSiJYjRl93BY3ZrY96.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/1KiHcSiJYjRl93BY3ZrY96.
{"copyright_id":"0x51c856dcf8dddb206f5d794bc453d8c31c41eccf9d14ff59f61e39ce50c79bc7","isrc":"TCAHI2322514","name":"El Fabuloso","registered_at":"2026-06-06T19:47:03Z","spotify_id":"4HtJFauSuOzPGoUek3YEXf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51c856dcf8dddb206f5d794bc453d8c31c41eccf9d14ff59f61e39ce50c79bc7. 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/4HtJFauSuOzPGoUek3YEXf.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/4HtJFauSuOzPGoUek3YEXf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa337ef1c402bd94a8df230377915a46c6d7d253e57b47b8d208c002e7e1a97ce. 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/2NkIyutEVJcrQ344cA334U.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/2NkIyutEVJcrQ344cA334U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d9543d9b5159ad789209cf5bfd911acb65354c03cb58520f9168012dfac3bc4. 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/3TRzuZyt7CrUEvmemqEIi6.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/3TRzuZyt7CrUEvmemqEIi6.
{"copyright_id":"0x2b022dc15fb0c288098d908d0e488f1da62f7d51bd166187646c991a11cf5cac","isrc":"TCAGM2295127","name":"Fui Carrazco","registered_at":"2026-06-18T12:14:54Z","spotify_id":"7zHsPUCD1wjbCDLFm9HJzt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b022dc15fb0c288098d908d0e488f1da62f7d51bd166187646c991a11cf5cac. 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/7zHsPUCD1wjbCDLFm9HJzt.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/7zHsPUCD1wjbCDLFm9HJzt.
{"copyright_id":"0xf1979ba03b8beefe686f60cdbde8a623e1640f3ee64e550325ccabaacf62e254","isrc":"QZMZ92266491","name":"La Rutina","registered_at":"2026-06-22T09:54:50Z","spotify_id":"3fHLRzZAUOL3zHNI7aDlMu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1979ba03b8beefe686f60cdbde8a623e1640f3ee64e550325ccabaacf62e254. 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/3fHLRzZAUOL3zHNI7aDlMu.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/3fHLRzZAUOL3zHNI7aDlMu.
{"copyright_id":"0x8cdcbce3005bf3a74b96ebebe5a8eada04acd33492c2850898ac3551cdf5a5c5","isrc":"QZNFJ2119947","name":"El Manual","registered_at":"2026-06-19T18:07:02Z","spotify_id":"5EVE565iV3TtzisYTeF1Xh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cdcbce3005bf3a74b96ebebe5a8eada04acd33492c2850898ac3551cdf5a5c5. 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/5EVE565iV3TtzisYTeF1Xh.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/5EVE565iV3TtzisYTeF1Xh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6985af1047e5bdcf1b341b15f2447631641ca360c7953dbff136df2d4f8cd732. 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/3r6A1mt6J7zL4yJRAx9RwN.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/3r6A1mt6J7zL4yJRAx9RwN.
{"copyright_id":"0x6985af1047e5bdcf1b341b15f2447631641ca360c7953dbff136df2d4f8cd732","isrc":"QZNFJ2116707","name":"Volverte a Amar","registered_at":"2026-06-20T13:03:14Z","spotify_id":"4dhyLxzxz6jqZDQ2ZGlr4h","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6985af1047e5bdcf1b341b15f2447631641ca360c7953dbff136df2d4f8cd732. 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/4dhyLxzxz6jqZDQ2ZGlr4h.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/4dhyLxzxz6jqZDQ2ZGlr4h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c1014c012344649af85370ccceaed93d5831a669341ac6fb21131b6d5a9e8f. 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/0veGmOxNgAEC0Tm5NHCjjB.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/0veGmOxNgAEC0Tm5NHCjjB.
{"copyright_id":"0x39b8f6b88ca62bc195badac8824b8af3cc4fdf34b1acfa369e4ac9fede2c7256","isrc":"QZNFJ2116367","name":"¿Y Todo para Que? - En Vivo","registered_at":"2026-06-23T10:03:38Z","spotify_id":"6nLzxIEZeoFqqYSplfplJK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39b8f6b88ca62bc195badac8824b8af3cc4fdf34b1acfa369e4ac9fede2c7256. 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/6nLzxIEZeoFqqYSplfplJK.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/6nLzxIEZeoFqqYSplfplJK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a5d2d48e8e242da5e4b707fb979eed64d0b872653841083473c550d8e318f6. 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/0qw5JT4iH9qDjIteEs1oh7.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/0qw5JT4iH9qDjIteEs1oh7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc59cd232bf11ed44ccc64f6f0a920b6182d4d540802461701592f989e8d12129. 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/2kI88OxP7yGdPv9moVnZ32.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/2kI88OxP7yGdPv9moVnZ32.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa337ef1c402bd94a8df230377915a46c6d7d253e57b47b8d208c002e7e1a97ce. 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/4iVO2U3fmMMLEdKH1PDCdD.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/4iVO2U3fmMMLEdKH1PDCdD.
{"copyright_id":"0x8dc5bb4dc1fe2ebe2ad62e4b2e8e581627a5d52b6db7afd178f8d22cefbdca13","isrc":"QM6DC2073652","name":"La Muralla Verde","registered_at":"2026-06-27T17:43:07Z","spotify_id":"2iWfjKs81b7W7ajnTZ077x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc5bb4dc1fe2ebe2ad62e4b2e8e581627a5d52b6db7afd178f8d22cefbdca13. 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/2iWfjKs81b7W7ajnTZ077x.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/2iWfjKs81b7W7ajnTZ077x.