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 0x41458bff39d32983ff1a362b279a80e91d2e28bd166b646481fd1b203a656635. 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/f33ab49b-672e-494d-a7d3-e1df6e68db79.json and https://artists.proofprofile.net/proofs/artist/f33ab49b-672e-494d-a7d3-e1df6e68db79.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 0xd0f64015f5809e88d4cc9df6ef79d17d8fe9e4628f2e6777f809990779d46b7d. 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/1uOgmYTwVXIS2JYAY2vM7o.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/1uOgmYTwVXIS2JYAY2vM7o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70050229e0c74142ecf25a63c8b2a86226c713ec885e624a1e87a00d95fe19d5. 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/4EgBmhlFjkYiteXaOxeZ7F.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/4EgBmhlFjkYiteXaOxeZ7F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cdee622050e90aa4c128f7c784034f22b74689800a60f8fc603a20166237a02. 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/1sh7TruYDRNbSgA1lhYnEY.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/1sh7TruYDRNbSgA1lhYnEY.
{"copyright_id":"0x4e068ba1f9c661fe317debd802cc9c1ca0e60653e0b21d18db90da6d8263d6fe","isrc":"QMU3G1300073","name":"La Bomba","registered_at":"2026-06-18T04:26:18Z","spotify_id":"3krAmtpLH60n8VsPCTwbH1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e068ba1f9c661fe317debd802cc9c1ca0e60653e0b21d18db90da6d8263d6fe. 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/3krAmtpLH60n8VsPCTwbH1.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/3krAmtpLH60n8VsPCTwbH1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26d1d262ea7072b8e279c97fce8a52cc5ce34fb7c43410d5862a873382d6b3f. 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/2VmHX2597XeyeaUKMadbCH.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/2VmHX2597XeyeaUKMadbCH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980bd80f0c68ab4e5fbb98500dc5959e71f7158142b0f7dd9dc2a231b9ffe5f1. 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/7N40ypdj1RzaYJbIEYY55D.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/7N40ypdj1RzaYJbIEYY55D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9369b54d11051ab7577a9a9873448b66a50b533632c44d144e63dd5929b60100. 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/5UI0lCXoaGUQM6A6fkyOc6.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/5UI0lCXoaGUQM6A6fkyOc6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db9c48a5a6e5998a14a66dc1b4c5ca823f8be1a6f516e0255efa6c9e45c9a20. 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/4ienhTrBEkf9aiOUeOuWXZ.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/4ienhTrBEkf9aiOUeOuWXZ.
{"copyright_id":"0x754a9536336decb4ff95fdd589bcf02cc3f917a2dbf085585700bd0128b8df93","isrc":"QMU3G1300078","name":"Conoci una Muchacha","registered_at":"2026-06-23T12:43:08Z","spotify_id":"40DlPdZX2kijRbxiW0RtfS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754a9536336decb4ff95fdd589bcf02cc3f917a2dbf085585700bd0128b8df93. 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/40DlPdZX2kijRbxiW0RtfS.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/40DlPdZX2kijRbxiW0RtfS.
{"copyright_id":"0x598f9924ecfb83a049b3dc30bef0df998da2545a2eb964a714c350d8feeb4526","isrc":"QMU3G1300079","name":"El Doble Paso","registered_at":"2026-06-08T05:00:11Z","spotify_id":"4SJJh0E1QruoLlfwUVY2Kd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x598f9924ecfb83a049b3dc30bef0df998da2545a2eb964a714c350d8feeb4526. 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/4SJJh0E1QruoLlfwUVY2Kd.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/4SJJh0E1QruoLlfwUVY2Kd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a44f3eaf26e282ac94715b39fc27314b7a33978c9b5ea26922f69b267d90110. 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/4K6I3Fzzuc2i6Wj6Siw24m.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/4K6I3Fzzuc2i6Wj6Siw24m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579875b987a4ce6117dc5b3b355a9d6f3522736ba3efbf0d7605d1f69304b3d5. 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/7a0n38x0We4lNyu7Evyn6v.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/7a0n38x0We4lNyu7Evyn6v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x908a2f4ba51c22774dd25ca88512f33190aa72b4d5fba00eb45a80ecec6b9330. 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/2Dv28bHf3P8i3BWKYCerTH.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/2Dv28bHf3P8i3BWKYCerTH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4fdb672734b9eaa752ba9299956ec06d670a2eb8cc9b5ea8073312652527dbb. 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/1EVTI4ssXYZdbFTDYyLouK.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/1EVTI4ssXYZdbFTDYyLouK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22809774039b65696420a44ec93d4d77d7e23d5073c2e0747b3170e61d0b19d5. 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/6XJcTHTHPqyGhdjOMfu72S.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/6XJcTHTHPqyGhdjOMfu72S.
{"copyright_id":"0x0b3ee03b8620b2e407ffc998aedcebbdf601625c3250c38fcdce15e76486ca74","isrc":"TCAII2433166","name":"Toma Toma","registered_at":"2026-06-07T22:00:18Z","spotify_id":"1glprKXs1lFYuwffapz8Ej","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b3ee03b8620b2e407ffc998aedcebbdf601625c3250c38fcdce15e76486ca74. 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/1glprKXs1lFYuwffapz8Ej.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/1glprKXs1lFYuwffapz8Ej.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a67f38514a6cd80e182ef5dba805d6681628a031b9adab4da09299d40060356. 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/6tKJW9KNm3ctYReUaNq7iz.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/6tKJW9KNm3ctYReUaNq7iz.
Playero Greatest Hits Street Mix, Vol. 2
{"copyright_id":"0x26b75904f2fd48881f46131bc31d5df52de19e281c6fd6eaed05e1d544e60c89","isrc":"USDHM1102780","name":"Tírame el Ritmo Remix","registered_at":"2026-06-08T12:43:12Z","spotify_id":"2THjwRUZsv5eXq7pWHWMVz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b75904f2fd48881f46131bc31d5df52de19e281c6fd6eaed05e1d544e60c89. 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/2THjwRUZsv5eXq7pWHWMVz.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/2THjwRUZsv5eXq7pWHWMVz.
Underground Reggaeton "The Best Of Radio Version", Vol. 1
{"copyright_id":"0x6b62c6d40c00dadaa18944a691b87c386192b4e898f85fafb77e0199494aa13e","isrc":"USDHM1106633","name":"Playero Street Mix 1 Radio Version","registered_at":"2026-06-23T07:30:54Z","spotify_id":"1PqOYrIXjs241PT9QcIl9c","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b62c6d40c00dadaa18944a691b87c386192b4e898f85fafb77e0199494aa13e. 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/1PqOYrIXjs241PT9QcIl9c.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/1PqOYrIXjs241PT9QcIl9c.
Nico Canada Presenta A lo Under, Vol. 1 Perreo Perreo
{"copyright_id":"0x469a01fcf8cafdbab52f1b12f87157396dd83026848cb5fc6f3b88beef078651","isrc":"US9PJ1200032","name":"A Lo Rudo","registered_at":"2026-06-19T12:53:43Z","spotify_id":"0PuqQvfBfOGmkhDeEZUxGC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469a01fcf8cafdbab52f1b12f87157396dd83026848cb5fc6f3b88beef078651. 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/0PuqQvfBfOGmkhDeEZUxGC.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/0PuqQvfBfOGmkhDeEZUxGC.
Live 2: Anniversary - Centro de Convenciones
Tiraera / Pal Cruce / Conocí una Muchachita / Tirame el Ritmo / Apaguen el Fuego / Atención - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc897210de38ba089dd13dba38a6f2144f29c13f8eab42f25145331869cc4c035. 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/2iVgYJ07Jg63s2RE0xAnz7.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/2iVgYJ07Jg63s2RE0xAnz7.