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 0xe2b1a2f932c994ac29843101248e9f42a0df745ccabe3ef1578729bde066e0bb. 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/69407ff7-12a2-46c0-a96f-8dad1c99ea4b.json and https://artists.proofprofile.net/proofs/artist/69407ff7-12a2-46c0-a96f-8dad1c99ea4b.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 → 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 0x5c00984fdfac21ab5b04f51875e4b27fc5e6c000a74d2d6488107a2a69ed9cb4. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:11:32Z), 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/INA3W2300090.
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Polu Dukeru Fulailu Vo Muche Vo Samle Part 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a862015a8211ffd4f74ecb6641c91270975cc0210fd56a1476566cc98273a4e. 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/INL412402497.
Polu Dukeru Fulailu Vo Muche Vo Samle Part 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b41c9a2bf707ad5727488e8c1c7a6f8d014e07eef4956f2a4fd822c3b37109. 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/INL412402496.
Polu Dukeru Fulailu Vo Muche Vo Samle Part 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08dd692ad4b05dbf7098f29bc8b458cf349c5eb60a920dbf86e5e7f60795dfd4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/INL412402494.