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 0xd63d7624e8146a332fc9d22b139f32eb8cabd1ef4eb9b0a2070c9461c3139250. 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/835fef08-8c31-415b-9320-76715948ef4b.json and https://artists.proofprofile.net/proofs/artist/835fef08-8c31-415b-9320-76715948ef4b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Love Piano บรรเลงเพลงชรินทร์
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 0x0d6e78580c07f507a7216046bebaf0ecb4c25fa76b1b4e1deb7a3153b90c354e. Chain 2 (Bitcoin): anchored in block 956748 (2026-07-05T05:55:59Z), 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/THSOH2202911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe815bbf3480d3f3e1eca1a54713b48aefa7607264f143c059a5376e82071c8dd. 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/THSOH2202919.
Love Piano บรรเลงเพลงสุเทพ-สวลี-ธานินทร์
Love Piano บรรเลงฝากรักไว้ในเพลง
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88f0721eee86104c1bbc32179175ccdcd398e860a7e68ff810b055fd093e5ca6. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/THSOH2203037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfaa11cca58f5a7e8d9593a4900c504e3997bfb2fe338e1615f6f6432e333057. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/THSOH2203041.
Love Piano บรรเลงรักคุณเข้าแล้ว
บรรเลงอมตะเพลงชรินทร์ 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf2aa24636e703f438bded932203590fbaf7d19b42ce59095690e32f9445706b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/THSOH2203396.
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บรรเลงเพลงสุนทราภรณ์ 3