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 0x97fd6e46bec3b93462acc23b447012e8c20b24e698c2b116fec2a87e6604cfc2. 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/f34dfa18-ae5b-4119-a1e3-ed0ef1126841.json and https://artists.proofprofile.net/proofs/artist/f34dfa18-ae5b-4119-a1e3-ed0ef1126841.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 0x70c73dccaa5c9350f5ec8a0891702db644f751dbf4d93dd4b45e10599956e5e0. 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/QZNMT2303922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa599a5cdf852b82931f3b00e433bc8d7fc6f4f1737f8f6dbe36813b4450f9936. 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/QZNMT2303924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f627b7761300de0093daefb7cb4a948fb741b8f5d576b5bd7831841ebcf4fd0. 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/QZNMT2303927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9faad5082ba4b88e998355f0adbae9d0c900bb41fca783a2d4f130d2d054fb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZNMT2303928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e1249f6a34ffcc86d20902b265f74c0daf1fb0cc44d7684f776f85a30f0178. 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/QZNMT2303929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ee5615763998613471c95aca07e57baba222550de84e1596b2536f1f2ef25ef. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/QZNMT2303930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x796626c9616bdeaf67c7b8aeee47316c91ace3415fb46610c0cdc07503c3974f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USLD91752641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x751755f6885d9620a0017016946e87966928b73af1625d396b06cc30556397f2. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZNMW2328559.
My Skeleethe (Remix) [feat. Vinny West & Lil Vada]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a366a512eca700a90130f5bd9ad5aa5bb88a3caf792b40853a344d2186a9a72. 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/USAT22307646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f088426310b878511c94601a06fccdb2621dfadd08d0c9644f91289a3371d5. 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/USAT22305820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4c5a7e5067753285204a38994d28bc466d033ffdd8ddbeb7970f613960bd38. 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/QZNMU2384115.
My Skeleethe (Remix) [feat. Vinny West, BlakeIANA]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f088426310b878511c94601a06fccdb2621dfadd08d0c9644f91289a3371d5. 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/USAT22305820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89fe613967d221ba5b320078cded45c79ab892630a189d216ecbbcea6fa663f5. 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/QZNMU2310084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f088426310b878511c94601a06fccdb2621dfadd08d0c9644f91289a3371d5. 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/USAT22305820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdecd7fc179271a51a9fdc0a7ab6ddf09d9df7f3bf3d27287bf15d960c5e7a4ba. 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/USAT22305750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01780ed166e9aec84ac26b2ef6bcfff94718dea3bcf14096e112d7342033b4ee. 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/QZNB82313769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17e004beb5a631b51cb5ddb279cf828429b5daf81060cdea01dc9f40690c2cd6. 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/QZNB82306629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x137bbaa0918dcb66b8f3bce6d3b095f422fd27e81425f3493246dcdba0f3841c. 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/QZLL92300901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb971e4d7922d929a3e4911111a53074832d18e7e4767c7cf34a802e7548312a4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZL382316027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30451f8df4fe51fe65ae7c79c62623ddd333be465cffb2503340b03017ff0386. 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/QZL382305081.