GD X Taeyang (also known as GDYB) is a South Korean duo from YG Entertainment, consisting of G-Dragon and Taeyang from Big Bang. After several years of appearing on each other's solo materials, the du
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 0xc3194f3bcc4d1648651673acccd2975df0a6e9bc72c860dcc08bb8a21f30f976. 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/21b85f45-35ab-4253-a8e1-ebc4c8b4f916.json and https://artists.proofprofile.net/proofs/artist/21b85f45-35ab-4253-a8e1-ebc4c8b4f916.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 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 0xc4fd9e10c75de2c5f77a1fa0419ce98fcd18132160ca68ba1c30124b94ed017d. 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/KRA401400235.
BIGBANG10 THE CONCERT 0.TO.10 FINAL IN SEOUL
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3637e54ebe8391f7d2f682d2ddb338b56a8b4102adf85c08f373733f6f17db5. 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/KRA401700116.
GOOD BOY - BIGBANG JAPAN DOME TOUR 2017 -LAST DANCE- : THE FINAL
BIGBANG JAPAN DOME TOUR 2017 -LAST DANCE- : THE FINAL
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6313eb817eb98d9bac0350d29c3f7535b51eca95c34e4c23d04315402b6aa74. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPB601801837.
GOOD BOY - [BIGBANG JAPAN DOME TOUR 2017 -LAST DANCE-]
BIGBANG JAPAN DOME TOUR 2017 -LAST DANCE-
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025d423f450fe92672b6834b4bd6ca062dc7203b41b546d0d7eb430959bc0395. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPB601800680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf239e9c881b372cbf34a8dd15c7c2ee272320bdd80cd40506b4ac8ca5ee4214. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/KRA401700246.