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 0x074f2a15a8ee47c6fe7e500e72414ad6fcdddad9ae0060aa84dc38f5d46dfd6b. 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/fd170eb7-5572-4e0d-904c-ce9637a511b0.json and https://artists.proofprofile.net/proofs/artist/fd170eb7-5572-4e0d-904c-ce9637a511b0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The 1st Digital Single "Making a new ending for this story"
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 0xc4df9277f752f6c548272f1a0b24e28d64013cabee57993c748b30b44cb0c116. Chain 2 (Bitcoin): anchored in block 958204 (2026-07-16T00:24:20Z), 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/KRA381209371.
HWARANG, Pt. 1 (Music from the Original TV Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd88364107723cf731668b1831bbdebc3cc05bdfcc401c88dfd85fa8ccd0342ff. 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/KRA381701003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9cfa9a0a1de720f1e16ee13b317c5bb28a5755b4b8d7f9298e9bf150bc6b3c. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/KRA381702767.
라이브 (Original Television Soundtrack) Pt.2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce544d6709bc427264f958f9b575eab9bcce86eb39f8fbb423c98654cd92166. 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/HKI492000012.
When My Love Blooms (Original Television Soundtrack), Pt. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28ade280adb072bc80e7ca1d329a0c572e1294a7044679dfecda27d6a152bbe7. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/KRA492000603.
When i was the most beautiful (Original Television Soundtarck) Pt. 8
Han Dong Geun X Kim Hyung suk Four Season
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd7a061f5adb7acf4a6d785173fe00ffa5ff18b15fed3c12ab3367a83ed7146. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T20:33:23Z), 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/KRA252002126.
Oh! Master (Original Television Soundtrack), Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b1cc9cb8f5104239bbb7bc69ce501c515803ab111efabd9c3bf63acf1e44876. 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/KRA492100350.
UNDERCOVER (Original Television Soundtrack) Pt.1
UNDERCOVER, Pt. 1 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcac00d7a6c2bb86e589144a5708a7c8b8659d6d570ec07f348936c21b6ca168f. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/KRF702100075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbb8ce510a9ea7183770e35111a374a8404fdffb1a1ad8e8f73b2db97d7b5583. 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/KRA382103165.
Autumn Breeze (The Forbidden Marriage X Han Dong Geun)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8597335162fd0f76ef4cb8c0a52d7d6f0fe9d7fed89c7177f9d90c4ecb6a028. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/KRMIM2135984.
Bloody Heart, Pt. 6 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9333fc861dd9f4eaf5d3127547c733123eb7c0a6d9ef160eec89e51107197b8a. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:57:37Z), 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/KRA492200543.
Bad Prosecutor (Original Television Soundtrack, Pt. 6)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57fccb3a0dc4f5467818d0fbef4b5779f040c954c355c99911a269520660e53. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/KRA382208670.
Our D-Day (Original Web Drama Soundtrack, Pt. 1)
Kokdu: Season of Deity (Original Television Soundtrack, Pt. 3)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x116320f012f10d9ad953df89d750a2ae9bae1c5daca7f2ebc2073c69429ca184. 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/KRA252300253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e84dbb4a2985577ee827f0bf21937bd55800ffc5b5ae01766361bf0a3a7e24. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/KRMIM2334905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf72f435ca6af5ac022688d641c62a14de4c35774e9796f2882199ba80d28953e. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/KRA382301216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a7b706631f3b36d43605dc37a6144449b268d078fbd7ee03995ed108ff2bdf. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-20T00:21:48Z), 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/KRB472301579.
Could you come out for a second (Prod. YounToven)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x090c0516eda35f7245d344b9e26503e8f318d6f74db8d80314cac6b0eee7e344. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:25:29Z), 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/KRNAR2350785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6abc16520e8ec8d228526d6364ee6bab78d8e652140dda0f4bd23a2aab032a0. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/KRE022300056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3be7b00ab9a3b5a948476a15e1de3a414ec0da56f30ad2b575946406b17d933. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/KRB922304795.
Let's meet again (Original Soundtrack from the Webtoon A Not So Fairy Tale)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8025c7c5d482404cf404808c7f347b7e00339539ec01db8457ae26f2a504213a. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/KSA002400140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c3191d0d7db71bffb5e9a552f3733dd7975583bf2b22be451f00fd75aa8b60. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/KSA002400559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846d108fbf344ed791d635dfea8325d2ad592d953b431ba3e7e74efb517f7f1a. 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/KRMIM2427177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe73244f0203512f5625c8436111d26b76919b2e37ffb2507f58b205b27c3c8ea. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/KRA382402704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ff3f002c71d10d275e65afd277c853d9c64e1606044e9cb5a00d2c7d7c8265. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/KRA382403607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d7359cd2861a42c0ddec5ed9a7608afae58b7e3e81ab18d6ee9fdd985c5bcaa. Chain 2 (Bitcoin): anchored in block 956425 (2026-07-03T01:28:11Z), 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/KSA002401937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbaf6a6b7ad1dddf79554751e0a6e9e58ac92f9a1ec98b4ff3817f9bc1fd9d2e. 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/KSA002402571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18d33368b35bb2f4da98616fe210558b2db3a89d675e2bc46804eede62e9e4e. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/KRA381701623.
HWARANG (Music from the Original TV Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc746471d3e4434719f57c6b64525d0aa49bccdcdc86b1c7ccc288ef39f2413d. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T17:17:51Z), 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/KRB461601562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5588f80d4df592274959e933746cc150961643a8e4601f0bab3dddccadd6e09. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/KRA252002247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb95da9163824f1b0bb7c04fecc07bd23711101eb1f82816d6839894639e25d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/KRA382001796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ccafd8fc8fd4e362dd6ac248f9bb5c272029845ee9cafb57f6abeeb727b3dc2. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/KRA382209077.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch