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 0xa9b68570fec237adf9b9bbccb6510116c6b98ece9f6c392ca3267996c0eefa25. 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/6cd4bf9f-dda2-4c37-aadc-16b422651b5f.json and https://artists.proofprofile.net/proofs/artist/6cd4bf9f-dda2-4c37-aadc-16b422651b5f.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 0xe71c180d47be9066ca174332a24ddfe581965158a631bb4e916ccddcd8c785fc. 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/3xw2pT79X8xgCzivqeLXnb.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/3xw2pT79X8xgCzivqeLXnb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e2ffffae40810221648e86d399a5951c8f95f72d3424fca7a151b3e5a677b85. 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/1gogWLbeKpvLuXZOg82T3U.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/1gogWLbeKpvLuXZOg82T3U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf8e7f9786b5da00cb500a999f137de4080e7571e2a2c9e22776d0c6165cdb13. 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/4srcMdbm2qzVG98tJajHxp.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/4srcMdbm2qzVG98tJajHxp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0504e4ccc7962856a3e5baa4e4b2b7fbe75c3a77530c1f616198ac51d95df641. 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/5cOLti7WtgCSqaruqqsEm4.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/5cOLti7WtgCSqaruqqsEm4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x520758332899f173871bd836247779950d3381303b8220f9f8a51e1cc90125c8. 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/1NtbSKRVs1mdbrW97WQYTU.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/1NtbSKRVs1mdbrW97WQYTU.
{"copyright_id":"0x7adb809893097a9621338941bd2fda64b9c906544b0323b4fd02f501b94e4c75","isrc":"USWL12201547","name":"KHLOÉ & LAMAR RMX (feat. Omar Courtz)","registered_at":"2026-06-07T10:03:56Z","spotify_id":"5cUCZBC0LEAqhyGgiIfIF7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7adb809893097a9621338941bd2fda64b9c906544b0323b4fd02f501b94e4c75. 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/5cUCZBC0LEAqhyGgiIfIF7.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/5cUCZBC0LEAqhyGgiIfIF7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e12331247ea62598ea01cdfeee0f1e90b7f8d68f6192dabb3157790cba2698. 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/6tPXH0Zdj363S2Zymrs2QK.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/6tPXH0Zdj363S2Zymrs2QK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9fb69aa2649084573c863086ce20f9a359201e7e82c474c305cd71617a9350d. 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/15mZaV1nSNDz9tZqujgJn0.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/15mZaV1nSNDz9tZqujgJn0.
{"copyright_id":"0xcc3103a2d6228f73167655cf288fac9f91ed72700ad18e2aa667ec8ad8f1dfe0","isrc":"QZMZ92459715","name":"LA CRUSH","registered_at":"2026-06-04T09:37:54Z","spotify_id":"1t31rsedSwUacgnamSDGsC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3103a2d6228f73167655cf288fac9f91ed72700ad18e2aa667ec8ad8f1dfe0. 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/1t31rsedSwUacgnamSDGsC.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/1t31rsedSwUacgnamSDGsC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c0c3f9ce88308a971109a6be74a502c7ec2878f9eb3ffe29b4a34ad87e4393. 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/4tpYL0A95EupUYcpYTnM8b.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/4tpYL0A95EupUYcpYTnM8b.
{"copyright_id":"0xcc3103a2d6228f73167655cf288fac9f91ed72700ad18e2aa667ec8ad8f1dfe0","isrc":"QZMZ92459715","name":"LA CRUSH","registered_at":"2026-06-04T09:37:54Z","spotify_id":"0r0uZzz9nsnEKOeQbYteHn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3103a2d6228f73167655cf288fac9f91ed72700ad18e2aa667ec8ad8f1dfe0. 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/0r0uZzz9nsnEKOeQbYteHn.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/0r0uZzz9nsnEKOeQbYteHn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc9876442a07f30883e1a1d8b546842b87a54616b23c52f86adc73ffb2d25ea. 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/7Flou2vrw6Aub4snhRRIVW.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/7Flou2vrw6Aub4snhRRIVW.
{"copyright_id":"0x66ea0685fb9f9c23070c286deb5f42a21e09edf28b8dbaf134fd5be79b3d7012","isrc":"AUGBT2219547","name":"No Me Saluda","registered_at":"2026-06-18T02:41:05Z","spotify_id":"0U7DXjOGWUWJJXVc8YjF4i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ea0685fb9f9c23070c286deb5f42a21e09edf28b8dbaf134fd5be79b3d7012. 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/0U7DXjOGWUWJJXVc8YjF4i.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/0U7DXjOGWUWJJXVc8YjF4i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd951a1b78d27a1d91f1e003de8b47be80b9951ef1b116cbe075c9326e5b21ad. 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/4hsBTnSvaUawPA1VpkAOUr.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/4hsBTnSvaUawPA1VpkAOUr.
3 Deseos Remix (with Dalex & Eix, feat. Alejo)
{"copyright_id":"0x74e7e1fe776a74d19d93a1fb7a8157387dd1bc3ac26c535e446313def6ab2f38","isrc":"USA2P2217121","name":"3 Deseos Remix (with Dalex & Eix, feat. Alejo)","registered_at":"2026-06-06T05:08:20Z","spotify_id":"7ygbhCP2yANDe8Z4xXpvKk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74e7e1fe776a74d19d93a1fb7a8157387dd1bc3ac26c535e446313def6ab2f38. 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/7ygbhCP2yANDe8Z4xXpvKk.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/7ygbhCP2yANDe8Z4xXpvKk.