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 0xf42e51e0ce7b2f9d7c189990c562dbd403041e12c56793c833fa5b0f59ef166b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ff836a43-0a0e-4e21-9465-f00c8e18d89f.json and https://artists.proofprofile.net/proofs/artist/ff836a43-0a0e-4e21-9465-f00c8e18d89f.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 0x1862d306bbc43f0a9d21285a757bff6c7d38d88ac0583de35640707071c431b2. 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/6zUKKL7Dnmet1Ks7pfL146.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/6zUKKL7Dnmet1Ks7pfL146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ba040c7cd4c6d8ae2e6192486803e8f435a430bf479f51dbccd6d2dc7756519. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6H8YfkfYUbmCoiVuhM1Fvp.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/6H8YfkfYUbmCoiVuhM1Fvp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a80ac1333c5defbe3f417ac6af94f5f8ea47a85839f7bc6503206d80be52dea. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/14wZKQtcX4WSZd3eO1KvtH.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/14wZKQtcX4WSZd3eO1KvtH.
És baixa i la seva evolució en marcarà la disponibilitat
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c0014a9b8592591cc6e4a6052d969181ce975338d1a64fad3fbf506211fee06. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5rvohTMtuujdvLnX73vc1S.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/5rvohTMtuujdvLnX73vc1S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a80ac1333c5defbe3f417ac6af94f5f8ea47a85839f7bc6503206d80be52dea. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1c8Iw6puXpwGdR4JWz1R9z.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/1c8Iw6puXpwGdR4JWz1R9z.
Todas mis ex se llaman María - Bonus Track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1105cb8d13a87249319138cba8b15c6a62b479e7dd5dea40d8cfaa18c950db60. 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/3DptAc1pYvmKmkaDUllKte.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/3DptAc1pYvmKmkaDUllKte.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d023212a812e113770c20488f9e097e123a5c08ecdfeae48923e8fe3003df3d. 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/18N5LBckvHL3rUapdqJ7mN.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/18N5LBckvHL3rUapdqJ7mN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b502cd95fd450c0f27c8176814afb326bb5b02630799f0fbbf11410ed31bd8. 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/6IAHliI122x980aplpGvie.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/6IAHliI122x980aplpGvie.
{"copyright_id":"0xabaeb66a93c8d2df9ea294358a8bd95de8bd224c36ea12637b6ba7aab6eef672","isrc":"ES5062407001","name":"La Faràndula","registered_at":"2026-06-06T05:34:16Z","spotify_id":"5NSMaChiwSjiWLxMjhSWkQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabaeb66a93c8d2df9ea294358a8bd95de8bd224c36ea12637b6ba7aab6eef672. 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/5NSMaChiwSjiWLxMjhSWkQ.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/5NSMaChiwSjiWLxMjhSWkQ.
{"copyright_id":"0x5312ec57fcffd2020f12912dd8ebd2a3a6a7bccb3b3a8a02f93154eaf5cf3f2e","isrc":"ES5062500104","name":"Lamine Yamal","registered_at":"2026-06-05T22:07:01Z","spotify_id":"6WL39rlC5iLZKwa4BfCmXA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5312ec57fcffd2020f12912dd8ebd2a3a6a7bccb3b3a8a02f93154eaf5cf3f2e. 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/6WL39rlC5iLZKwa4BfCmXA.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/6WL39rlC5iLZKwa4BfCmXA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c485387e1807d755286f5287a7f62a6d00d621290197a42d2b9efb9f16ce0c3. 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/5jJ7l54MUleG93ZTGNkWPr.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/5jJ7l54MUleG93ZTGNkWPr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x849f9b2e94a140303c731387c90c644402ae6519e1829fe9f109f524fca7dd3e. 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/278qM2Pa3mA4Bn7oFnCqZ3.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/278qM2Pa3mA4Bn7oFnCqZ3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e972a79b084e52b0224420f76d16c6ff7349d392cd4e73d2b33c203caa6198. 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/6SfarMScJVcsD9GWYxEY5w.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/6SfarMScJVcsD9GWYxEY5w.
{"copyright_id":"0x727ba16f3b559d38e68798f275619d6f43db9426b2ebaf294497c418bdfb99ae","isrc":"ES5062500107","name":"Planeta DeAgostini","registered_at":"2026-06-05T13:27:42Z","spotify_id":"4CcenPekBydKwyRJKtvFcY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x727ba16f3b559d38e68798f275619d6f43db9426b2ebaf294497c418bdfb99ae. 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/4CcenPekBydKwyRJKtvFcY.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/4CcenPekBydKwyRJKtvFcY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b305507c57e63e217364b92487bfa02c4314646ba2948ce48d08c5cd72d719. 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/2tEdvTyzP7FtXshvxl0W0z.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/2tEdvTyzP7FtXshvxl0W0z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd26923709f9639e774f261f3db70cc38399686e031cea841d16960a4dd62c9a3. 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/5LJCmSA2gT31RHsT9wMVCN.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/5LJCmSA2gT31RHsT9wMVCN.
{"copyright_id":"0x1b9942da7c572c365820fffe5e0b0767cee642aae014b49c66af8cbfdf3b0cb9","isrc":"ES5062500109","name":"Podeu parar, sou molt pesats","registered_at":"2026-06-08T04:44:47Z","spotify_id":"2DtFmvayC0xtpuxiM3ek8Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b9942da7c572c365820fffe5e0b0767cee642aae014b49c66af8cbfdf3b0cb9. 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/2DtFmvayC0xtpuxiM3ek8Y.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/2DtFmvayC0xtpuxiM3ek8Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1105cb8d13a87249319138cba8b15c6a62b479e7dd5dea40d8cfaa18c950db60. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2eKUgYKep0e1rqS8HiH7eX.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/2eKUgYKep0e1rqS8HiH7eX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d023212a812e113770c20488f9e097e123a5c08ecdfeae48923e8fe3003df3d. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3IAFKCQzNRTmVY7fx2sRyP.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/3IAFKCQzNRTmVY7fx2sRyP.
{"copyright_id":"0xc6b502cd95fd450c0f27c8176814afb326bb5b02630799f0fbbf11410ed31bd8","isrc":"ES5062500103","name":"Mòbil, claus i cartera","registered_at":"2026-06-06T05:37:19Z","spotify_id":"23TiV2SZCrcSiyPPYhQBYc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b502cd95fd450c0f27c8176814afb326bb5b02630799f0fbbf11410ed31bd8. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/23TiV2SZCrcSiyPPYhQBYc.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/23TiV2SZCrcSiyPPYhQBYc.
{"copyright_id":"0xabaeb66a93c8d2df9ea294358a8bd95de8bd224c36ea12637b6ba7aab6eef672","isrc":"ES5062407001","name":"La Faràndula","registered_at":"2026-06-06T05:34:16Z","spotify_id":"2VGwKpLDXuMET5Z1w2Hdwd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabaeb66a93c8d2df9ea294358a8bd95de8bd224c36ea12637b6ba7aab6eef672. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2VGwKpLDXuMET5Z1w2Hdwd.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/2VGwKpLDXuMET5Z1w2Hdwd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c485387e1807d755286f5287a7f62a6d00d621290197a42d2b9efb9f16ce0c3. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3zGEVsYrYZhBbSyvBSUNEE.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/3zGEVsYrYZhBbSyvBSUNEE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x849f9b2e94a140303c731387c90c644402ae6519e1829fe9f109f524fca7dd3e. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6lSBDUMVnJNdrcNjtcoq6n.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/6lSBDUMVnJNdrcNjtcoq6n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e972a79b084e52b0224420f76d16c6ff7349d392cd4e73d2b33c203caa6198. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6a4s5jCuihfX70jMvG5jqi.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/6a4s5jCuihfX70jMvG5jqi.
{"copyright_id":"0x727ba16f3b559d38e68798f275619d6f43db9426b2ebaf294497c418bdfb99ae","isrc":"ES5062500107","name":"Planeta DeAgostini","registered_at":"2026-06-05T13:27:42Z","spotify_id":"4ccDmO5X3yoBISOGKOkiqW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x727ba16f3b559d38e68798f275619d6f43db9426b2ebaf294497c418bdfb99ae. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ccDmO5X3yoBISOGKOkiqW.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/4ccDmO5X3yoBISOGKOkiqW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b305507c57e63e217364b92487bfa02c4314646ba2948ce48d08c5cd72d719. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5k7UtZshtyYK3Wf3NCuiPd.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/5k7UtZshtyYK3Wf3NCuiPd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd26923709f9639e774f261f3db70cc38399686e031cea841d16960a4dd62c9a3. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4grW5GYCohQAhmcX2KSovl.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/4grW5GYCohQAhmcX2KSovl.
{"copyright_id":"0x1b9942da7c572c365820fffe5e0b0767cee642aae014b49c66af8cbfdf3b0cb9","isrc":"ES5062500109","name":"Podeu parar, sou molt pesats","registered_at":"2026-06-08T04:44:47Z","spotify_id":"3gS9STvmzfX4ej8CNMJ635","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b9942da7c572c365820fffe5e0b0767cee642aae014b49c66af8cbfdf3b0cb9. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3gS9STvmzfX4ej8CNMJ635.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/3gS9STvmzfX4ej8CNMJ635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe36e800ead5f00bd2b487e67e5f7c647bad828e33cf3bdf10323ec1f5687816a. 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/33ZhWUnsud391SIkWBIPXa.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/33ZhWUnsud391SIkWBIPXa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa91e1b5f1ef2c6825a6d447dc599e070c390396234962219c557065c265b9f47. 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/5lPAqLnLV4rjoTiHjAXt5U.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/5lPAqLnLV4rjoTiHjAXt5U.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f4b72e178faff1719380fa3d4aff0fea07a6056796cff9831ab21e622744c90. 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/2VL2Q1jaMqBEGVQd5MBElb.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/2VL2Q1jaMqBEGVQd5MBElb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7167f60e4dcbe83971904998fb392e247b7e8d57fd8fd1b0e26a6fedb11424. 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/1b2n9ys2wqQGA8eCHggrRt.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/1b2n9ys2wqQGA8eCHggrRt.