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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa626a65aabf503a13fad0c3acd5d156bf1115d63c218621bae67300ef81dbc. 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/5d8b7c6a-86bd-43e0-b899-a1a5330d9f43.json and https://artists.proofprofile.net/proofs/artist/5d8b7c6a-86bd-43e0-b899-a1a5330d9f43.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80cd8c9b868f22bc2e722809a16ed10d852afff290881d0147e78292a6ca013. Chain 2 (Bitcoin): anchored in block 957959 (2026-07-14T05:54:20Z), 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/ES6119553701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x938ddd014668554fda4e3161b57c83635b0b4b9dc43d3e979d8863adf88ece80. 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/ES6119553704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x731965f29d6b7af0d74d1e3ed688ff2b8395db252c5a3e83b66ed03a12fe20ce. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:04:40Z), 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/ES6119553705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10a49c99f27b6afb4448410a7b93b425e7188d192355cf705560f50b8236adc. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/ES6119553706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4731e8cf8c831abef5a80042ab9af38e82638d369b19804bdf26a6b4221787a8. 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/ES6119553707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91eb932a4aab2326a6d38229b01749e7bbd9735fd6518a76571439d66d65f1c2. 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/ES6119553708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0d9c8da40d7a204690fdcca30db38c31c9d997f05e689189050b4f2b72327a. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/ES6119553713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc922aa254d10dbeec3b2bfed0676cffb6eab7dedb7dd096b310b408099916c45. 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/ES6119553715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74cc250421da0257e791f25c3cee30514522288cb161fe0a59544f8d5c7c65ab. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/ES6119553716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e4f7e580205a16f5bafa665e1350ff3c295bcb7b8d1857329191902346b01f. 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/ES6119553718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd2e7ee89094ab9b76f9c2c93c37ac38842735bf98648b778f3a8063aae5782. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/ES6119553719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f41af2fcb674bd3b755fb32999aea7f90c4742b3ef403645b9ec3526b7606a. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/ES6119553720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6388f8c5aa3c643680d4762e4df2d644006cad06391725539a934c09f4332f72. 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/ES6119553721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26c0578217a655c2f6ab33323a1cd410029d8ea93079e4a6222e6090af781dd0. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/ES6080061204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2b3ac42f91c0791b09f2f94695c508405966fbc0d1d37c6740ea3ba5b55952e. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/ES6080061207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x849fcfc297f4d37eaae1ab3120ccec8756ce49b46018ae0f53773bd941f8cc73. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/ES6080061208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2390bdbd8a695f88e2c575ee5dd1cb49a9b90f111a9eced620e17e4ee950aea3. 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/ES6080061209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11be99bc626d342b8ad429dd30ac4552a1efa70bdd594cffb3a41553b96b5f45. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-16T21:55:37Z), 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/ES6080061211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cce2419394658e69d669b1c8fb73d6a988a0338ad699c8b138dad724edaa09a. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ES6080061216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254d125bc9ea990c392b129a083333858cd30b145b44836919c84ddbeb542055. 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/ES6080061217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc999b66c10458deaa55b54582a0791482593df52de222eb4589822669140b2e5. 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/ES6080061218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x105c98e5f2a23f6487d8f7f1f6fab823bc347826c4abb340357eb518f65d9662. 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/ES6089960701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceff2f5a0801b4d8f704f3bf65b596e8babbf67d2043da157569ac2526206585. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/ES6089960705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1b07bc6cd44c8f43ad0dbb93e34bc5fa5752f140cc9f9a196f3ee16ec1b0345. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/ES6089960714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d3d99dd9ee8ebdd4c7c3e840401b6fa2fac918d3a70e76ab7ec7891c09b89d5. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/ES6089960716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x839c2807f004289e83ca066f322d03824a4a7a0f2d3ee3f39b48565e8dee12d6. 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/ES6080161404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573b7df8e2375f8b2124fdfd8484cfa3977c9a8a3af25fd95e685eec300fcfb6. Chain 2 (Bitcoin): anchored in block 959013 (2026-07-21T13:39:11Z), 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/ES6080161408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b47b021ce5b1d44f80fea2a55c3b0a35575c461d4986903d65fb3faf78fde25. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/ES6080161412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e2eb7a46176a59ed4ff688693140a2eea1b58580fd37acb596a41a3ac1e48d9. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/ES6080161414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79507912698b08a9b802f321e476a4d2d489c976e33ef427fc2839efe78e556. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/ES7420844994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f155a6e910f5e33e74c02fb3649587c18b78e7659d8fe1afed95b99f3f04148. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T02:14:33Z), 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/ES7420846994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe65b8c748da32f52f6e8f9379befae3d0972b9d6ec7265bfab6ca81aa18bbc77. 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/ES7420855994.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ccdcfd8acd946d009fe948788eced16699e5385c6b4f752de2f27ac01bd4f6d. 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/US6R21406665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcff7b7861f34c4b46a37692376c7a5a1ad4f10b95afc4c8b649a435b24dfb862. 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/US6R21406666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3d29a3410df82cfb2d9e1b85d7685d678f70df75925b209b9e910e60518514. 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/US6R21406667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf303ad0057123602e7825608ffedff0ab77ba8a2670053c9a25310d732257f61. Chain 2 (Bitcoin): anchored in block 957959 (2026-07-14T05:54:20Z), 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/US6R21406669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff5e33c8e8793f66a84842ae4d70194021cf458a52e75b1e41c58f94ba09e857. 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/US6R21406671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdd8cfb7c34e1d6966e26ca062a340afb1ed94532b4552ca18f45d779002da23. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/ES7312000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7406b80b5607e182e5023098a7b24c1bcb8c8a7ab822ca8cbfaa5b581af218. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/ES7312000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef8e3e9e5f4a34188d3f77777ff58e7945e80ed223b683f5ef3dde5df9217a2. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T04:55:29Z), 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/ES7312000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e0ecc61630e6a17b5e6a5fa06cd4644771a06a9df407f5fabafd7d322e4e0f. 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/ES7312000007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4daf247e5f0123388fc4d30948e2bd1f4201b5c5d9837785e7481ce4880a618b. 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/ES7312000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb805bd5151e7f0b1b008caa86c24685e1612c8cce325ca5fcb72bde13e08e40. 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/ES31E2407036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x553870d0ea858577f25176348abe843d81188fe22b4219abd891d025196a3365. 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/ES31E2409509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d46380a4702176d431f6a84ee3de6f84e03e040f1f14c0b79cef1907e99ff78. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/ES31E2410557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x888243a9f1d7a0487f13b412b25c5eafb4a85464f3d90ba71cb06eef2c44fcbe. 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/ES31E2414116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5157baea663bce5099e669d361cbfc5d8496beacb545b38d2c08ebe27a724bd. 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/ES31E2412592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x483e6ea992e41aa8b42324b5d712ac53f622c84a2ddb048cd1b28ffb5af99451. 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/ES31E2414185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b9a20df900ed8ddc5cccdc2a54e1f9170e56814d3e4b5f13c90837740a37ac. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/ES31E2414186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x888243a9f1d7a0487f13b412b25c5eafb4a85464f3d90ba71cb06eef2c44fcbe. 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/ES31E2414116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaed8dcde3b4dbf0e0d6dd4ca379e5dea2d8b6c2cc738e0102305e10f0b4fb80. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T19:50:27Z), 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/ES31E2414191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45fcc1db6c07e290456272167e962b6b21dd363da2941b162b10cc4461b4864e. 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/ES31E2414193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca50ce18fe76c51dc07bb59825652131d29344ba335fe2145b6148d91b730038. 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/ES31E2404854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x669d82fda03b062410af8a6c2bdcf0084147af85d5d4c44f89b5ba0594d6e331. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/ES31E2414195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b64d3cdca8cf78a2f8bb63205c4c360df37e52abd115fe187e591c1f459e42a. Chain 2 (Bitcoin): anchored in block 958860 (2026-07-20T09:58:28Z), 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/ES31E2414196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f92908225097184ef5fe429f613942c0a29bcdb28fecd4fb6c4413e345da612. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/ES31E2414197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d35c9b69d8a08278d9afe04a8231dfb4a0e0f6e67b7ccc878090df75e4ce708. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/ES31E2414198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f9980f0962149b8d7afc476ff47f3e25f6756333bdd0dfca11e807d9c78031b. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/ES31E2500647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x684e2f28d9d476cb15a180dcce691c425a64b9e5dbafd08feaec62c82a5e88cb. 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/ES31E2500794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b38ac02d3b2fb4dc6c07f95120e69784a640e4fdcb20e4daa40398e768b4e61. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QM4TX2286351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14cd6692b9309a8052043d12694ce4dc7be6a93b5f7a41ef3b927be1f4ed0176. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM4TX2286355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0213a3e7839ce6dd12ca355dbf749b24fd8f298ad9c2dd4723015fd163a48404. 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/QMBZ91577226.