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 0x2b130b7e38b781a723c0d7a6696b7822ec2d25164c415ce49db5c23cc3ed12ff. 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/45ac3dde-a603-42dd-9f44-eadd167fa229.json and https://artists.proofprofile.net/proofs/artist/45ac3dde-a603-42dd-9f44-eadd167fa229.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 0x7fb840de07d25d9a6224c721c1ee0bace5d20421121f44da82f5950b50794691. 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/2KtI4q1G1bqY0RskwBmYmF.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/2KtI4q1G1bqY0RskwBmYmF.
{"copyright_id":"0x5f1c2f77bb09e48d4983c46c022ddd7fa5e4ab124dbb7c6d917605b1eaec0bfc","isrc":"ES23A2116902","name":"Domingo Especialmente Triste","registered_at":"2026-06-05T22:50:34Z","spotify_id":"1uQfZ4wu9mPuurPnKfdIGo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1c2f77bb09e48d4983c46c022ddd7fa5e4ab124dbb7c6d917605b1eaec0bfc. 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/1uQfZ4wu9mPuurPnKfdIGo.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/1uQfZ4wu9mPuurPnKfdIGo.
{"copyright_id":"0xcfed6c33fbb0dcc847597f9119495b2610d82fb58f395d98ce94bbc1b2c5eeee","isrc":"ES23A2116903","name":"Espíritu del 92","registered_at":"2026-06-07T22:31:01Z","spotify_id":"5Fz9BTrPRZ4pglItjLXqOp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfed6c33fbb0dcc847597f9119495b2610d82fb58f395d98ce94bbc1b2c5eeee. 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/5Fz9BTrPRZ4pglItjLXqOp.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/5Fz9BTrPRZ4pglItjLXqOp.
{"copyright_id":"0xe30a32a0d8fe14f72d40346d062cd613b7cbdcd802894707c9deaa8e9c099d82","isrc":"ES23A2116904","name":"Madrid Nos Pertenece","registered_at":"2026-06-05T18:29:45Z","spotify_id":"2Gyl6PbDuegfFqroGZAEVE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe30a32a0d8fe14f72d40346d062cd613b7cbdcd802894707c9deaa8e9c099d82. 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/2Gyl6PbDuegfFqroGZAEVE.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/2Gyl6PbDuegfFqroGZAEVE.
{"copyright_id":"0x7caf561bcd7a6272a5d1722de5e1d8d7e498fd0c188708b86d6e27827ade236b","isrc":"ES23A2116905","name":"Cómo Escribimos Adalides De La Nada","registered_at":"2026-06-18T22:12:45Z","spotify_id":"0P7dXSNuOd9gUBQQZVE2Ez","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7caf561bcd7a6272a5d1722de5e1d8d7e498fd0c188708b86d6e27827ade236b. 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/0P7dXSNuOd9gUBQQZVE2Ez.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/0P7dXSNuOd9gUBQQZVE2Ez.
{"copyright_id":"0xfdbd2c4169d3af079f7a18453711c5da7a94b1022bad9cb5f778e5af738f67bb","isrc":"ES23A2116906","name":"Contra Mi Generación","registered_at":"2026-06-07T03:52:26Z","spotify_id":"6ZlCVnsNP8XPoz6cvhxjoj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdbd2c4169d3af079f7a18453711c5da7a94b1022bad9cb5f778e5af738f67bb. 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/6ZlCVnsNP8XPoz6cvhxjoj.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/6ZlCVnsNP8XPoz6cvhxjoj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb954feac0bd5d16592a70de938916e3d0818b739c3464bd3e4d6d8e47c67bc97. 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/21Jz1I0B8xbHWTYAGI7R37.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/21Jz1I0B8xbHWTYAGI7R37.
{"copyright_id":"0x7e9c2f493226bb2629399a8049927e4754bfbfc3bcc1671ecfac9e2fe5a6f97c","isrc":"ES23A2116908","name":"Todas Las Pandemias De Mañana","registered_at":"2026-06-19T18:09:07Z","spotify_id":"3zvRDxt1tv3guKpTxmREA1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e9c2f493226bb2629399a8049927e4754bfbfc3bcc1671ecfac9e2fe5a6f97c. 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/3zvRDxt1tv3guKpTxmREA1.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/3zvRDxt1tv3guKpTxmREA1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x346182162f348eb795230644c7a8bb159f6b89d081e3a54809126bb44fd8f335. 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/4N4HFeLPhRPqMLfoFtfcSP.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/4N4HFeLPhRPqMLfoFtfcSP.
{"copyright_id":"0x72be155f9592d42fa4b6c3561a28586089976dbf6c8d7b6d16e0a794cc45ec5c","isrc":"ES23A2116910","name":"Una Historia De Fantasmas","registered_at":"2026-06-10T22:10:23Z","spotify_id":"0xLdy6gqsUsKaxFUuMk2rC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72be155f9592d42fa4b6c3561a28586089976dbf6c8d7b6d16e0a794cc45ec5c. 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/0xLdy6gqsUsKaxFUuMk2rC.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/0xLdy6gqsUsKaxFUuMk2rC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9275e923ec29df19114b1316b8311195709c587a6b1ced5385b88552be5de245. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:39:37Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FQvJamjDH09vYDSYhisrw.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/7FQvJamjDH09vYDSYhisrw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2687c8b2e542111f8108c470eabd8f1ee7eeb2783c1f3e0c242b53237e248096. 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/4UPvvwk4lVX5byBYpaHyDq.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/4UPvvwk4lVX5byBYpaHyDq.
{"copyright_id":"0x8e326f6f50cbf9beaedc8b0538faaa4c9ce553e49a38d31d0cd01a6a02f59cca","isrc":"USPQM1924403","name":"Producción De Sentido 24/7","registered_at":"2026-06-26T05:57:46Z","spotify_id":"6BNvseHvCX82ps84omqrZr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e326f6f50cbf9beaedc8b0538faaa4c9ce553e49a38d31d0cd01a6a02f59cca. 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/6BNvseHvCX82ps84omqrZr.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/6BNvseHvCX82ps84omqrZr.
{"copyright_id":"0x1012a6048c17eaffd68229a4db5fdd08fa72a987cbe314b82f8d4989f9e84672","isrc":"USPQM1924404","name":"Motores De Búsqueda Avanzada","registered_at":"2026-06-10T09:41:36Z","spotify_id":"3nnWodr5kxFEQtQbBP4AXn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1012a6048c17eaffd68229a4db5fdd08fa72a987cbe314b82f8d4989f9e84672. 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/3nnWodr5kxFEQtQbBP4AXn.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/3nnWodr5kxFEQtQbBP4AXn.
{"copyright_id":"0xa6d18cdeb844a9e962ef9bcff1df4d8530394913483a578bc34c405fd74b29a8","isrc":"USPQM1924405","name":"La Pantalla: Usos","registered_at":"2026-06-19T19:48:01Z","spotify_id":"2Axb3BsR2ftSrNeQEXPSur","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6d18cdeb844a9e962ef9bcff1df4d8530394913483a578bc34c405fd74b29a8. 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/2Axb3BsR2ftSrNeQEXPSur.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/2Axb3BsR2ftSrNeQEXPSur.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ad07011695e24d49d0e20c0d40ab5673db3106d548f6be5f248c344d03b5e4. 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/04eZka6rVIgRacL710b5JA.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/04eZka6rVIgRacL710b5JA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb769e624893b4e636c52646196f015f0d13dc24b631554e462719a023f557c7. 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/4XGpwkRGzTEmUiH0NWfFfC.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/4XGpwkRGzTEmUiH0NWfFfC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3792913cc3ff37313d0051df26f42b818a9873fa4075762ae2928b83a3e34e17. 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/5NH0BOliitAA3upCh2rGr0.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/5NH0BOliitAA3upCh2rGr0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93eaad5f374cd635cc33ee70ec08677243727fce63f6ac6b8beb397fd2393f5c. 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/56ghgygUwEQgnDkvIGm4NP.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/56ghgygUwEQgnDkvIGm4NP.
{"copyright_id":"0x42b310b12439e6e1860c5955bf8e255d9f1f18f2b8ea1a1870f2e6965b1c56af","isrc":"USPQM1618901","name":"Mediocridad y Confort","registered_at":"2026-06-08T15:43:27Z","spotify_id":"2oKHZRrwuzeKMt9jSl3BGV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b310b12439e6e1860c5955bf8e255d9f1f18f2b8ea1a1870f2e6965b1c56af. 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/2oKHZRrwuzeKMt9jSl3BGV.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/2oKHZRrwuzeKMt9jSl3BGV.
{"copyright_id":"0x6d74e71697517cb519ee138b9fbd1a49d8b03a054d838c80249302132525fef0","isrc":"USPQM1618902","name":"Una Ciudad Cualquiera","registered_at":"2026-06-07T10:09:43Z","spotify_id":"0sbZRuzhXlECXCnOsPOoha","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d74e71697517cb519ee138b9fbd1a49d8b03a054d838c80249302132525fef0. 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/0sbZRuzhXlECXCnOsPOoha.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/0sbZRuzhXlECXCnOsPOoha.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dca3fd457fc4c72e4adff71a457a2cea976f65c12326460a2de66a81c42235a. 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/6chiMh8SxeIjHio4lAsKII.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/6chiMh8SxeIjHio4lAsKII.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bab1d3fe2d5170b9d1d59ff28ce58c851e1918470a47328fab1701b8600e514. 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/5KTl2yJ7CfVNnSeBjkwJT7.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/5KTl2yJ7CfVNnSeBjkwJT7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0191feb15c81fa1b5195d1e711f809999ec88c82dc2c0f5467077653e9468d50. 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/6OEsj3G1CkPMG6yQJvSqkn.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/6OEsj3G1CkPMG6yQJvSqkn.
{"copyright_id":"0xa18d9b44957306e9caaa66e0605d1dbccc90d550aa1fcd851361e7775a55f8af","isrc":"USPQM1618906","name":"A Tumba Abierta","registered_at":"2026-06-18T23:42:11Z","spotify_id":"7lKhQP1t625gxXhCioDZyk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18d9b44957306e9caaa66e0605d1dbccc90d550aa1fcd851361e7775a55f8af. 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/7lKhQP1t625gxXhCioDZyk.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/7lKhQP1t625gxXhCioDZyk.
{"copyright_id":"0x91b0cef15ef76535a16e5f2388b24ecfb2a407cb417807a84dc4eb3075b9986e","isrc":"USPQM1618908","name":"Una Nueva Época del Terror","registered_at":"2026-06-11T21:14:23Z","spotify_id":"5jyoCN43o6txPa0l1UBpm6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91b0cef15ef76535a16e5f2388b24ecfb2a407cb417807a84dc4eb3075b9986e. 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/5jyoCN43o6txPa0l1UBpm6.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/5jyoCN43o6txPa0l1UBpm6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1719db1d01ff8040fed1e24cf6141686277ceaec4954268702f80ef93a4de304. 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/5RxNfmqP8XBkOJKn7lwp12.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/5RxNfmqP8XBkOJKn7lwp12.
{"copyright_id":"0xe30a32a0d8fe14f72d40346d062cd613b7cbdcd802894707c9deaa8e9c099d82","isrc":"ES23A2116904","name":"Madrid Nos Pertenece","registered_at":"2026-06-05T18:29:45Z","spotify_id":"0wxl1J7P9LqVDsNJKjFMvv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe30a32a0d8fe14f72d40346d062cd613b7cbdcd802894707c9deaa8e9c099d82. 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/0wxl1J7P9LqVDsNJKjFMvv.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/0wxl1J7P9LqVDsNJKjFMvv.
{"copyright_id":"0xb954feac0bd5d16592a70de938916e3d0818b739c3464bd3e4d6d8e47c67bc97","isrc":"ES23A2116907","name":"La Escuela Nocturna","registered_at":"2026-06-08T23:34:27Z","spotify_id":"2CILxfNbhXbB1DzO1J3Yvn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb954feac0bd5d16592a70de938916e3d0818b739c3464bd3e4d6d8e47c67bc97. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CILxfNbhXbB1DzO1J3Yvn.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/2CILxfNbhXbB1DzO1J3Yvn.
{"copyright_id":"0x5f1c2f77bb09e48d4983c46c022ddd7fa5e4ab124dbb7c6d917605b1eaec0bfc","isrc":"ES23A2116902","name":"Domingo Especialmente Triste","registered_at":"2026-06-05T22:50:34Z","spotify_id":"7FNLGoCEOlhuzkGvdJ8ClB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1c2f77bb09e48d4983c46c022ddd7fa5e4ab124dbb7c6d917605b1eaec0bfc. 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/7FNLGoCEOlhuzkGvdJ8ClB.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/7FNLGoCEOlhuzkGvdJ8ClB.
{"copyright_id":"0x1012a6048c17eaffd68229a4db5fdd08fa72a987cbe314b82f8d4989f9e84672","isrc":"USPQM1924404","name":"Motores de Búsqueda Avanzada","registered_at":"2026-06-10T09:41:36Z","spotify_id":"2LEHDqVz2bbz9aIT0nbCnK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1012a6048c17eaffd68229a4db5fdd08fa72a987cbe314b82f8d4989f9e84672. 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/2LEHDqVz2bbz9aIT0nbCnK.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/2LEHDqVz2bbz9aIT0nbCnK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3792913cc3ff37313d0051df26f42b818a9873fa4075762ae2928b83a3e34e17. 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/5k2psQ5R4HVPWCsliMUkWU.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/5k2psQ5R4HVPWCsliMUkWU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2687c8b2e542111f8108c470eabd8f1ee7eeb2783c1f3e0c242b53237e248096. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0EvIScEQxvhplNmujpBli9.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/0EvIScEQxvhplNmujpBli9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46f31ca3e6ba25d14a925cbb8cd8ea56c39cc690f70b165d8230f79dd9029a7a. 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/2uSOabS5RKgWjFFLiZz94x.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/2uSOabS5RKgWjFFLiZz94x.