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 0x25505fa107e6a6f0fac14ac1f335cd5161513f2f8670091791d14b62ddbb2206. 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/8471d0e6-1445-4bd0-8d66-b7a16dd99a52.json and https://artists.proofprofile.net/proofs/artist/8471d0e6-1445-4bd0-8d66-b7a16dd99a52.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
정아름 발레클래스 음악 제2집 (Areum Jeong’s Ballet Class Music vol.2 Ae-ip)
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 0xd6db5d3795687cd9585c3bf763ecb493e7e0fb381cea5b41b893a0aa46af527b. 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/KRRAR2206119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2826d50c88b946a98c1f402550b43c13e334941f854382d3ff610484bc802687. 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/KRRAR2206120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6502bc95f8198f9026e82e32641f900477116ab27a7cd2a49392983b8e4b9d4. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/KRRAR2206121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6100ae5f34de79af385e5b9537554ea515907b35a87d647bedbe4adad4019134. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/KRRAR2206122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08503e9b3176fa6faf3d0c37777849cf330f76c6c4ceffb8a41b4ce6228a4415. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/KRRAR2206123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e21902e92ea1bfdaf4160ec51c9862bbd4eeee5f098bb01817fadf1e624aa11. 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/KRRAR2206124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37b84b24fea84f747fcb60aa2583cfd3b54f56bee5545b2fac10fab5981959a. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/KRRAR2206125.
정아름 발레 클래스 음악 En Pointe (AreumJeong’s Ballet Class Music For Pointe Work)