1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x8456dc4f01019e7bc12734fc6b398d3406d70444692569f26f3e7e241147279e. 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/d7ae9399-3cc0-4cf9-bee0-3c0612c1bae5.json and https://artists.proofprofile.net/proofs/artist/d7ae9399-3cc0-4cf9-bee0-3c0612c1bae5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049534601f2998f1d2a6a6554d427d74a37dc8011ab6132f11f2d3be436370db. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T15:35:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351306084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea58c48a55b371fe8837ea7123f9cc1f2246461c814867f5178eb101a56a364f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351306085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0c4f31d07926173dbd52b0ed8b02e648eee7fab05a021c53ed1e9c651efd2bf. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351306086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7639ed43e09501ac31e107497ed1d1279bfc8e735c95f0b6ba726eb2d830d0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351306087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d843a47643e954f54633944f8d61b8d6c7f329dcacdb32e132da77ebd728be. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2039407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39064576fd7687d6a38bbe2a2181af7d233e424a295501564cecd7a1936ef316. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:40:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351306070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96ea6a033b17ec3be617b0375855f2aa0f3d10688df9dd2229d38226eaa336de. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351306067.
No Puedo Quitar Mis Ojos de Ti - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f0c378306998262fd6880dc93d7b834fb82a23b666d2d24272bc8bace98d01. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a7752816fc9d4f7b3e8bc8a8846de1a5e2c9c66da5961c0c969e99af532e4a. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea74d9ad99d7e37c05ac9011887ff1965d996fe2cc1361e8d1df88244dbebf5. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:01:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075ad3741590f7edc3e5a0f2f9055f12895d32e8624387904eab9d171f457918. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8de28b52ab1136b54c7333873d984323442afedc00fe60b025b50bda05c4bbe. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040605.
On The Sunny Side Of The Street - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fefd4ee9e267c0f3e298ff2d702a5495bd0801b0f76522a56d1a71576bd8e2a. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f423d5a77533646b9283b61b1be261ce46ad2c00d094901189cb73d65f57850. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53cb90e2655169ac3aca5dd33f6b18a9534a1c4ef5ae00637264e1982f76ea5c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5699d161809de2d77da9e206e168f0d5869494701e0087adaabcee43fc5856e9. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:31:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb541244cce5a57b1b710f8d9d908d14f5bea4a96c376ab0d77d3c0d89ef2a6e3. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2039231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff4ccaea87e830a05d4e82b763ed6e8d23e5756e5c7c83b99f9ed9774d5924a. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2039238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa774687cc59c107748fe9e936208d6485ae1526d8474e4d52ba9f7f34fb2e76c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x518218df9c796a7677eb288607dea91c6b5951eedca28a7555e9b5c7c9dbc1c0. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CLAB20800055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38bed089d3003f175385e032827b5cfb8c6d0c0907092160efb98b4d9d3edb48. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CLAB20800056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5587814031cc00478e0fa69947dbe1be7961f144bef5cae63fa68e3f74407289. Chain 2 (Bitcoin): anchored in block 958865 (2026-07-20T13:06:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CLAB20800059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d877537e32cf79ea301bcde647918f754c61dcc77b8afbd61bc5449e40ff751. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CLAB20800060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe65f1000a031e8845cd14f936f83dc2354fb5eb5b9857d43f0478af10f05f0ca. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:12:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CLAB20800062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aa50566fa482114eaf220d38378736f29a74ee8f7f2cf7164ac6f02f81838e4. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CLAB20800065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b9eb4c9c08df509fc21735fdb1becf150d633d4ff40bf7a1ab797a9be999fb. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c07381551908fac9cb7aa6ded4f86782b9cb1eef77f3c908c7bd0200d601f14. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338595787549fe003c2c44fac3188050fd8801a6b5db943365617d741da11c3c. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:45:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4413cbcf97fcc5c91698a7c5797c98b6ee6f5a180c628d713c8d5e4f619ce211. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T22:08:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5e50715d0c49ba4409f87a1327a2d263f3d4f08dee1d5343ab1afb094622ee4. Chain 2 (Bitcoin): anchored in block 959071 (2026-07-22T01:26:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c497767d0f2db2579e2d91879169663ba46e4673d84bcc4b24669d7176f48b0. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T06:49:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2040668.
Dulce Compañía (En Vivo Teatro Baquedano)