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 0xd19d4956571e6816872fe611b4ab73c19b63001cf86edd0e8d221fcca56a0e2b. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/279922e7-b97c-4543-b67e-fc2265fe1a15.json and https://artists.proofprofile.net/proofs/artist/279922e7-b97c-4543-b67e-fc2265fe1a15.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 0xf96bd22bcd57b9060f93f59dc674c98d21e9842d19b6a4f3085e1e1862a8bf08. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/JPQ321700053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c8f537f0450f25fd3fdcb54df52613e43cf6f3f897d41a0369479af6ae873ee. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/JPQ321700116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81bfea763426647441064692272aeebf7927d7352806cedf887790ab4ad30f5a. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/JPQ321700121.
SHIN LIVE TOUR 2017 "Good Morning Dreamer" at 恵比寿LIQUIDROOM
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b0f1d46a39738820defff9bc81fb6dc4ebbbb62e46d8c6711d375b9c400381. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPQ321800113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d2c7bc0fbc050eea2637402fbc3160cf6d6556b381a40c6127d69541306aa85. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:07:11Z), 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/JPQ321800049.
SHIN LIVE TOUR 2018 "on my way with innocent to「U」" at 恵比寿LIQUIDROOM
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d189691768cc9023be4a3be9ceaba5b0c03b0f87153b7d5526c26ded1e9142f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPQ322000064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0f897113cdb5d80e0d80dc30c03f36c3d94265609699f30d89ed0e8246966ff. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/JPU902304830.