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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 0x5a4997806c4d7719ca2803e8ca8284ac677935cf64fd5527a978b99f633b67fe. 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/de452ba2-90bc-4362-971e-8fa9fd1ac9b0.json and https://artists.proofprofile.net/proofs/artist/de452ba2-90bc-4362-971e-8fa9fd1ac9b0.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 0x21605a77930cc15233aa10fefdb9281049d838af166b231efe031d6a1430bbc6. 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/UK7MW1400123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaadaba74c28134fc9dc3c936c5fb65dd87c275c377a2b90aec8fa220a297a2e5. 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/UK7MW1400121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f55fbc507ddec15a4f50606940a1e0f32ea9425b8f6381b78c03c898b22c103. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/UK7MW1400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574633c4efd7d30b2a9de7db55f708e6a3c44b25fbe93039c2a4f31d324278c3. 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/UK7MW1400118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b2dcc7d2ef9b1e31c8022e0fd7c5ccd3fd1505197f85ae7bb4d145691ae29a. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/UK7MW1400117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b007dec1f09117e478f59d9beb73a0a1e6e8431de42ee42ed278a4cff306a12. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/UK7MW1400116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca3fb75000237850d3d96873b8270454b750cc73be0e36a86cffe2fcfa7057e3. 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/UK7MW1400114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe644bb84590b5713bf9164c5f72c0562032f78e1780fb4c443487e4058c33742. 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/UK7MW1400113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66e62648782bbc268c8c5430ff5935a4efd32e56ec76c8ba98c42c21b5439138. Chain 2 (Bitcoin): anchored in block 957892 (2026-07-13T18:21:16Z), 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/UK7MW1400112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cbfc0b4ba42b4251bda53fcd50915b1204c8da6ec840c5cee7d104c64c575b6. 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/UK7MW1400111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8300e5251aaead16800efe8ff53742cc5c0493bac25ea85a7bf71494dc414974. 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/UK7MW1400110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee1dd2eb30a81cbd97716c5c024ab4c29640b70eb952c5c6d5814692f79a29c1. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/UK7MW1400108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb44c0cf9972e65ebb99377f6c097d584d0d07c8d90b3c6a27e46fd45d6598b9. 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/UK7MW1400106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4569ea08bd78cb9dae527da76c85dc0e7ba86c270df9547623b3878b29be27f. Chain 2 (Bitcoin): anchored in block 958582 (2026-07-18T16:47:25Z), 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/UK7MW1400104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ebf1031e1da0be75374e6b5bdf85354c01aeefd8817bb10b0b3216cb935a684. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/UK7MW1400103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x934703ff5904a427ffa5af16fc3e9a6088328627b406468c03d835eb0f8016e9. 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/ROUM71600234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402f1cdd9ed3892d0a5530023eb66eec6f963af4890282543fc16cebf52c0647. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/ROUM71600237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaf2d7ac3a0e18ebd68b02966e2ff86f9108e4ae8d29d18bf27acdba6556be3a. 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/ROUM71600238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94efabae97b2e74b77b3488fc9c68a38bb0152f6bf13782b6014dbde6d02364c. 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/ROUM71600239.
Cel mai frumos loc de pe pământ (Acustic)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa253c728103cac125a84a5f9e8d2f419e2c48392a3e4bd4cc358072b54e820a1. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:03:04Z), 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/ROUM71800197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25bfac4d1312ee24ad883575596c5df31932135a83968a5d59956af3f5ee9730. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:15:26Z), 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/RO2DY2200129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57314037070c8fc8ebeff39bd513bbf158fd9368964f620efc2862c74e29f247. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:09:40Z), 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/RO2DY2200195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e813682a78c57f986d6c2e3c79c7707360dc15cf8d4f7009649f1c7647c5c7d. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:20:47Z), 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/RO2DY2200427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd24b001535f9b988bbb025549402616a403816e2b08d00584060ab35a5e6437f. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/RO2DY2300057.