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 0x045c1d2bf13257dcf4dcec940f723687d509b18fb19423e6da1416e7f87d466a. 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/1768df62-ff6a-48b2-8a66-fc268228db42.json and https://artists.proofprofile.net/proofs/artist/1768df62-ff6a-48b2-8a66-fc268228db42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pegaso Que Tienes Alas (Remasterizado 2022)
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 0x1843177dad711d2e2fb297802b8d8d5d9821d63d045da3a6eec08e0962346bab. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-20T12:13:11Z), 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/ES5022200852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a8cc350181cdc57ebe5edb9f60e73d67240d6b84861686c726fe8a211b5b4e. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/ES5022200853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a724360435487b513f8900bd68452f504dc8ea186303b01beecb926d044216. Chain 2 (Bitcoin): anchored in block 958682 (2026-07-19T06:17:12Z), 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/ES5022200854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6efd5cd15cd1b77b332fca5c2d9996b75f62a5d6e3572a5800532ca6167e6337. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/ES5022200855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28aef7544d4062ad405867827187e4ca0f5dd4712384f67a9220ca91d59adba5. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/ES5022200856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d50cab2ce12b74f4318a6a2506fa6565d985b209f44c787a11b00d9659b3e4. Chain 2 (Bitcoin): anchored in block 957838 (2026-07-13T10:04:52Z), 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/ES5022200858.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc56b6c1cdb6f5dde8a3a50ab0355c839a76c8692207e3c7e3cd096274934df2a. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/ES5022102539.
Los Guerreros Del Fracaso - Remasterizado
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040d0fdff9f9ec3a7595510f10d389c0491182065273efd8454f05b8997e15e4. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/ES5022102541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127d739a8bd4f3fea2e76be057f4fe1f038b4904453e884e1817224234998219. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/ES5118601287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2cb05f8939d32989fc312d277ef3adfc33b2cd86561f6981ace57705950ee58. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:34:20Z), 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/ES5118601289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb1ec4a351182f968d1111bc21e7b464139b199f9ed311eb81cd66a35e2ef73. 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/ES5118601294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc788677ef5f291e52c773b6af00939903d61ecd8226e048ab30c7dbf0877cb00. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/ES5022200845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0377e31c0a9f20cc78d0455bd4b2a202585f0ed81c5847918ecfbfdcf8cec78. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ES5022200846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6692f0981c48649f3d7aae35a534558cbd151396623f5fd68bfbb3b5c92d82. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/ES5022200847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3b59839f5cc8f1856375aa1081c92829fd5d285b2da4e2ec4fb0ac53823299d. 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/ES5022102548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc89a39da37a19e08bad320aefa4618736923be68e916bc1ca64d191ed2535737. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/ES5700601026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0be55c2cd4ebbe361b25bd565e272923ccc050db42931ff7e3f4e9488ff7ede1. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/ES5700601031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0f3b569ffd3fbe60c19550cccad71db25384597ed0687f2c2d1a78908397cf4. 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/ES5119902336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x338dd5b11e86452c16a1eb10f2d90842829e6ab17dc0378eae1cf54cc601cbd4. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/ES5118601290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701b55c051885332a8124b44c2c88fb4d8112df088a1976567a3b671c1dcc460. 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/ES5110003070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59cebbb116a735bc714bab9501f81f136574356c8b3496ab4c66e6e790db9a5. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/ES5110003188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb1ec4a351182f968d1111bc21e7b464139b199f9ed311eb81cd66a35e2ef73. 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/ES5118601294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe237522e76309da9ab1ac8167d5e2d5eac9c3e54f4a9d538fb70ffa66dc7aa36. 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/ES5110204187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d035e6fa4a47578583bdc59582fce04a1379a9c0119c7fe75c97e9fb0d07947. 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/ES5110204188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f233d9759f28d0b25f7d3561b65f6c72c3742e788fc5f417423a8f939ecc8da. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ES5110003074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0546be2b0f74a45a1fd59e3f22a6700c247e44df9834b42dd899734a33b2a9. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T10:48:13Z), 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/ES5110404989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a190071b667efc54cf2493ff8a280a0999a9490c3168d12872f8b79bdf6c054. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USJE61711290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe779efd88b156eb1f6e604bb9b66444721b7da55293524149a7d5ce313dde371. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/ES5110003080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1bbf217aa24cc8182d72534680b68510539a24fae5a9fcfa9f885d6851f14d3. 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/ES5110003071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7547878bda767f0e6a9e05635b52268e00d4193bd234e8bb5f49965a816bb5. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T21:59:20Z), 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/ES5630700626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x661e6845b254b4e4986971650045a4bea4ceabc0c55492672a29ad72794aa28d. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/ES5630700627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02ada1b38db3a34fc437794a7ac3487134bfe96721189b391cca1c5896199486. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/ES5630700628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae1c3e739faa4efa4885c7c024dec35b20e1bd861b5a8423841d2f35114ab2b. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/ES5630700630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8295c75c4799625c02c11a13cedf6260b921759bb92ea4009143a3711184ab. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/ES5630700632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e7ae5563dd3fb920ab570dbcfec20afea02ec0f51bbdd9b596108a32d5cd62a. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/ES5630700637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb00f75a82b8dbebf5160901cb8b202024e1f135859a3770357441cbb85f2bfaf. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/ES5630700652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x876fa517994f3ce9504fb548b59fdd257be407ff8f7b891a5a2d11b4050c1fdb. 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/ES5531003928.
Tijeritas Todos Sus Éxitos. 16 Canciones
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6ffcaf3d0734615c37b1afc25ecca65e43434c993b1b03c3e2f46ef9586025f. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QMDA71544311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2225b75728efede17ccff33c8a6267df072efd9f6cd8516eaab6d4b8785b14f. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/ES18B1702686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f08a4d240ca13065d7d7a4972ba165765df6107a8ce2c7fbdedba623476fd13. 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/ES18B1702687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419f55eae624d318b4c9813bb583b0f7861fc6b44ef864b59714a35a33ee98e0. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/ES18B1702688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e97fab18ea6199e7ed8e6dece1dea803d1a604bbddde6f8422712a0506ebb2. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/ES18B1702689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d1306b37b36bc3037a2768c2b1b69299a1b66c79b7481fd4fcdcbcd4cd233f. 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/ES18B1702690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb1c38fa05748517a24f723e186b2647ef03ce6b6b93127ffe6818724bfa01bf. 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/ES18B1702692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1c9aac6b8a817b843b876c35b6da42f40a4d694b4a4ee3917382d844214f34. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/ES18B1702693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32f977effcab23a40bb419a252190005fc242f4b3f129094178c859e68422fbc. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ES18B1702684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f89e6fe44d530e17c7796d78dbe9b117143040719a8cb32b7e892d3b14e1416. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES5110003075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb28e789081049dd6f6cb67a1065af1c3ff792e0309f5fd4e7bf018df50826e7. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/DEVU51720365.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch