1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x2c389c56db5a4585c37a944ffdf67856ca5ddaee5d673dfa9e2309020d0c69d6. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6220547a-a281-4145-a286-a46868259735.json and https://artists.proofprofile.net/proofs/artist/6220547a-a281-4145-a286-a46868259735.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ke Jane Kakhan Meghe (From "Sinthir Sindoor") - Single
Ke Jane Kakhan Meghe (From "Sinthir Sindoor")
Chand Bhabe Jyotsna Dhelechhe - Original
Ekti Duti Tara Kare Uthi Uthi - Original
Oi Chandrakala Seto Tomar Mato - Original
Amar Sona Chander Kona - Pratima Banerjee
Sanjher Pakhira Phirilo Kulay - Original
Naache Mayuri Radhakunja Majhe - Original
Eka Mor Gaaner Tari (From "Ekhane Pinjar")
Eka Mor Gaaner Tari - From "Ekhane Pinjar"
Eka Mor Gaaner Tari (From "Ekhane Pinjar") - Single
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 → block OTSBitcoinBlock must exist at that height 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 0xfaef68134ad92e80974b5670ac208675b8e11942a8e617685f2b0e4b9f3bc894. 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/INP832102769.