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 0x3cf3d3f8632f52b4e4a8918d5034c73749ed0f8811e7dab30ee92c3ef70d587b. 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/c52b95cc-017d-43d3-87f3-defd0bab89c8.json and https://artists.proofprofile.net/proofs/artist/c52b95cc-017d-43d3-87f3-defd0bab89c8.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 0xbfa4d8d8cd679e864534c5b2603a7a85a47077396811240eb9a9385ab1bb71e4. 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/FRX762159838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4424a91fb6b56b981c97adfd26a4bd4196110f32ca66a624c729844e1b50aeb6. 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/ESA011564603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8141392bab1c40a16a149cafc99020171a20272150e662176d0390c3e4420be. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/ING211006992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a07e9e87a14db6bdb1211cd9d7fcdd23b51f6308b4b2cfb803d83dc7480adb5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ING211003791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeae110b95ff1628229067c04b5d05451432ab612ea47f0c4c3c8aefe69a2367. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ING211003792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486bc7ba9f1a43f30f10f6eeb366fb0211de6d4b5e4da96b206b4f4e1d9f306f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ING211003793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30eda58893c9aed792881c5e85034e40897dc8b7008e37aff2772f7d41944c1b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ING211003794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b7e42b104063d9045b367be63c10f7b5e42c0050804fc500428c7576a20a4e1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ING211003795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18fb6332d2120f011fbfc9bdb27f006edeb16e1ed7a90ceefbf52d16cf174fa9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ING211003796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e54335b65478c45f38272a7d824077d867bd0d89239d1e813826894ed39e7c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ING211003797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c720066a94cbc6613fd26d261d18f4391b8be30abd98d5f3c7d4afe14e7860c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ING211003798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0ebd74ac4f1f816882beceb3642b2c85c229ebc95d4502fdfd804a1f9d0bfa. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ING211003799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39dcbe49eb0a00e68712bb14eb07661d67df36e0964844dd9f4b2bd22bfdd79a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ING211003800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39dcbe49eb0a00e68712bb14eb07661d67df36e0964844dd9f4b2bd22bfdd79a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ING211003800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486bc7ba9f1a43f30f10f6eeb366fb0211de6d4b5e4da96b206b4f4e1d9f306f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ING211003793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e2778979549f19b477dc760fa461f0857336627f8f9b1b3fb29b933a2e0810. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ING211001756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50972027608514e16c9b9a1648d15db351c47a9cef07815b1a5d5a97521d319a. 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/ING211005494.
Pavangalanelum Njangal Payassa Choru Tharum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e1f4ce0a3e129ea7a8264d401ddafd15b740db64c431a7b45890660c8600742. 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/ING212309882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61a0a7da71b6a1efe85d49979676f69f637bde926915e2ca02407510a75ac6ab. 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/ING212330103.
Swapna Sundari (From "Vayassethrayayi Muppathi")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08d4373c9e531483e48526f7c7a95e5dfd31f49c422aac5ec47431a7147150a. 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/ING212524674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b0aed22b8de34d53f034e220482970679652400ba42b55ee8a42d67ed11eee6. 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/ING212528760.
Qalb (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13bc793fd0d2be058959001ee387463f11f5ee016a7643a9a60e39540c53a59f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/INA982400058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90815595a71e66fc8bf1ecb0804dc5576babec33f64f1284c436b0a6d0fb6e2b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ING211003814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x224e669298bee732e3a15819c73384359786e33d3bd8b4eb9c81c546cd4640bc. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ING211003815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x693e75a9fc96e4d3366911ab81fee4f615d20d29aa5c11b92024e3c1457cbd77. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ING211003816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac0c84b63fe6abbd32349c61e93b49aebc978bc8d1ae8af9e47d41e4c3af8548. 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/ING211003817.