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 0xf95b6cc70ead650c3c2dfab60bda62255e03988f83360ea977bc4468fb0d5702. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81b1d1d2-beda-4ee5-9c6b-6dbc7f03d319.json and https://artists.proofprofile.net/proofs/artist/81b1d1d2-beda-4ee5-9c6b-6dbc7f03d319.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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 0xbc85ff2edce2e888c6bca5949227382e1cf3966682f17c24764205a7144f230d. 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/QZWFG2321344.
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Mere Dil Se Zindagi Bhar Tera Pyar Kam Na Hoga
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93ad94b23f0dbbf9555ab979611e49a8f54c49a1989c93bab19e822bf077dc33. 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/QZHN52425341.
Dil Hogaye Naukar Janab Da (Sajran Di Naukri)
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Ba Khuda Abb Toh Mujhe Jene Ki Tamana Hi Nahin
Hum Nighahoon Main Tasawar Ali Ka Rkhte Hain
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ca36798729c605b3985cce9b854429971f368dec8764eb71f863d886663eef. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:06:22Z), 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/QZWFM2459449.
Nighaheen Hogayi Purnam Zara Awaz De Dena
Chupke Chupke Raat Din Ansoo Bahana Yaad Hain