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 0x5d5f63a588bf06528aedb1431fd00868b06b2af305b1b606edb02e5970a94ef1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/784516c8-001f-43d2-98a2-69aabc7d01f7.json and https://artists.proofprofile.net/proofs/artist/784516c8-001f-43d2-98a2-69aabc7d01f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Blood (Original Television Soundtrack) Pt. 3
블러드 (Original Television Soundtrack) Part. 3
블러드 (Original Television Soundtrack) Pt. 3
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 0xe0b473c6b73a7acbd1b243f005ae60c45263221e92767f7e7a3b4cb1c7d0fca9. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/KRA381209969.
Six Flying Dragons Pt. 4 (Original Television Soundtrack)
Road to Ithaca (Original Television Soundtrack), Pt. 2
The Red Field (From "Road to Ithaca (Original Television Soundtrack), Pt. 2")
Road to Ithaca (Original Television Soundtrack), Pt. 5
Man is a Ship, Woman is a Harbor [From Road to Ithaca (Original Television Soundtrack), Pt. 5]
Road to Ithaca (Original Television Soundtrack), Pt. 9
Shout Myself [From Road to Ithaca (Original Television Soundtrack), Pt. 9]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad3a6163082d48d4a9f5e13792cd9e6fb390a8846479e93526d27e33f91fc55. 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/KRA381801707.
VAGABOND Pt. 8 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fcadf96c00066b176137442f3c66d57c4d02f798d50efd209613467991b834. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:31:03Z), 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/KRF261900050.
ITAEWON CLASS (Original Television Soundtrack) Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a76405008ccc92690266365f74e7614d00aa4512932b17afd738762bac0014. 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/QZEKE1930073.
[Vol.55] You Hee yul's Sketchbook : 32th Voice 'Sketchbook X Ha Hyun Woo (Guckkasten)'
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393a205bd4683cc3e1d5831fa7df0c27fb316306107f984bb353510651f33bdd. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/KRA382001978.
Stranger 2 (Original Television Soundtrack) Pt. 2
Military Prosecutor Doberman, Pt. 1 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43adec3ec12b960d808696022f6e1b0355fdb34babfe7771a4ea176140d522c2. 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/KRA382204275.
Divorce Attorney Shin (Original Television Soundtrack, Pt. 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe70ea04f8832283ed6305ae3ac5509b57f669c271a04a0795dfb5ecb4de9c6a0. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:36:58Z), 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/KSA002300894.
New Recruit 2, Pt. 1 (Original Soundtrack)
MapleStory : NEXT (Original Game Soundtrack)
Typhoon Family, Pt. 5 (Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b57a3fd20661ff72e22082cde08c9b7f30320760ecff6e9bd6a4ee5f0b85024. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/KRA492500934.
ITAEWON CLASS (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d4e21f82eb1a9a708725cba2d61d34e25dbba25629ca5c8029f205150e52815. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZEKE1935012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db5878c77fd3c96a1cc0992c69fb535622ba2d9cd1b2f16db8c23404b09bc40. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZEKE1935019.
Military Prosecutor Doberman (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2eb514d7711c859b8f7012f8bf838072f7a2979a35cc455e6393fc7886539c. 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/KRA492200242.