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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8501ba288461ed334b811fcc9541febea2a1dd619fa0a4f5dba2ecb0bd643986. 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/dc78cf14-4b7d-4bbd-a87a-f489fc31bd42.json and https://artists.proofprofile.net/proofs/artist/dc78cf14-4b7d-4bbd-a87a-f489fc31bd42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
NABI (Feat. Skinny Brown, kuzi) (Prod. SEONG GUK)
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdffda0effd862cef621f5b5c2082e11d2c9be1dce8ace5ae0c2135ce2c3ae1e4. 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/KRA382001824.
Wings (Feat. BIG Naughty) (Prod. SEONG GUK)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd1af1679bfa0e67f42c0a4e72e7fe87df9daa026a708107eb8cfa8a2463d4c0. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/KRA382001825.
Dance (Feat. Ted Park) (Prod. Seong Guk)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd475801adc0537f9b8ed28ce939cdd0aa62b47d6e431f631c9cb011184144d9. Chain 2 (Bitcoin): anchored in block 959034 (2026-07-21T16:34:25Z), 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/KRA382159906.
MAN REMIX (feat. CHERRY BOY 17, Touch the Sky, KHAN, Benny G, RB NINE, Vapo, h3hyeon, LEEJUNGHYUN)
Welcome Back REMIX (feat. kaogaii, D.Ark, Park Jae Yoon, kitsyojii, Hangzoo, NSW yoon, CHERRY BOY 17, RB NINE, Benny G, TRADE L, Roh yunha)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1eae4b15c6737fd77d30e86bc48e59204bae494efc8d72f4d0c495c86c9f7e4. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QM6N22423562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x381e55d0b507cf8b0018082e72f49ba94b9e2118f3897a09cdc1a7835580db9e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM6N22420725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x492a53c95a3fffa0f98c9d69d4cb0ab1523d2bb61cf55f4ee4996f86e2f2c0f4. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QM6N22420726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd846391f734d3f0db0f8814bea43d7e7b187cd341cd24e8670cdc6c1772a876e. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/QM6N22420727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb39a8845d4b0c8947653da8a3d9cceee934820a76044c40f868b567b16cf047. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/QM7282384812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9619aea93165ca1fd0e0b5f793bd0d4f0de03cd950603b23ee6484f53bca9e2. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QM6P42404178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda2aecc5a70d9683cc857ceebbd03acf1c75fa339dfe662085b7ee08b15af65. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/KRMIM2465964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x229b8ed4ca4d308dfc15fe0285ef124b74c1313e4715b6cb953451a2d3bb57f0. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/QZF452001194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bffe6620c6f28ae2e538d7b69b7acf07d04025ca8c494731bda57e42f501782. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/KRA382400781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25184a63afa7c66320124a6ab26d1f9558600656a4a6f70b6b4c77ed353fbd34. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/KRA492100410.
Turn Up! (Feat. M1NU, Veinyfl, Swervy, Layone, Young Ji Lee, Lil Nekh, D.Ark)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde3f1184657495f274f510db1a577c8a0c4fcb8065c66c9174d22da1bf044d83. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/KRA382152125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb7d80ddd43aacc312d7b16d6542320cae9b62126e8e638c0e72c418a59ea913. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/KRA491900831.