Jeong Ji-won (; born May 6, 1995), better known by the stage name Wonstein () is a South Korean rapper and singer. He debuted in 2018 with the single "Spider Web" under the label Beautiful Noise. He a
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 0x8159d01d2a0678df2e176dada2481a42e3ce25f575b22ccfd349a4d9362981bd. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8a9a6f6a-1a4d-4b22-83a9-a5109f9313b2.json and https://artists.proofprofile.net/proofs/artist/8a9a6f6a-1a4d-4b22-83a9-a5109f9313b2.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e409eab1c5b24386b542857dd15fea358080553a75bd3ba7644ead8ba29a539. 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/KRB471801899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7165b71f2e016910c9f70022e36708a0239827430cb180058f8e7dcaea6bf1a7. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/KRB462000291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7b1c0eeac397fe2bce40c21bcf9dcc6ed899b8d585cfaaeb93d383e339a2e2d. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/KRB462000608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3973ca0fe38fa1a49a4018776d0e07dbf3b067c994565cc5cdba538097af0208. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/KRB462000609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8baa5f36e838725b07bb275a6735c056aaf45a96ca73207a62adf6bbe53c586a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/KRB462000610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c65f9e80aee62e62f4a5e6fef3eae2c8e7bedd205c5ae55d7672da1748aa0ab. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/KRB462000612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x755ab7f0b02614d47502488c0dd1d0ac1ffd3e482828e4a3fce17c199d4b6c3f. 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/KRB462000613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d4bbd545c8ab2c95a6c597629969a2eac10382aba9ef273356e666b5061bfde. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/KRB462000614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087cf847f14d61bf1277d3897d3536c5414d368cd7c58fcde7ae264e0fcf355b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/KRMIM2130324.
Extraordinary Attorney Woo (Original Television Soundtrack) Pt. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc32b023c6ef95f5a812030252cbbcca2faab5205220c57a868cce2cd556b005b. 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/KRMIM2241955.
ウ・ヨンウ弁護士は天才肌 オリジナル・サウンドトラック Part.4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254594d164d1842bdc4f1186579114f0891c9ef302c8bc532e83dbd8ac8f1b9b. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/KRMIM2241954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1eaeccd3dbc4cf33ed460b89ba27ad1c138022d5678de952bb48e73b8337c7e. 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/KSA012184738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf405c3f42e13ab26a423626b31fb24f38e17eb8c0a1b78dc9bc9c50513259b38. 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/KRA382208080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96ec34bf7d38e49f6f05dc43249f72c5110b9714e6a90fdb53110fd64714d4b7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/KRA382208081.
Call It Love, Part 1 (Original Soundtrack from the Disney+ Original Series)
K-Mars (Original Television Soundtrack From "Duty After School")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae5fe8e61cbbfa5a0f3112ce949d39f3bc40e928ef502ddf78efcb7679e8215c. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/KSA012250280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa971de4633d17042131537cafbcc7f28c533171a3c81638ad2547416bb7d19e3. 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/KSA012251069.
Grandpa of Mountain 〈Sanullim's 50th anniversary collaboration album〉
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419054e259c8820cbadc2f157b63aaa9df9fbb728c16d9e3ff89781e47983eae. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ZZA0P2408243.
Love Next Door, Pt. 5 (Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7c43dc7a664f687b23a8fe49fd5c4a9623abba55ab41438ad2c925204f7482. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ZZA0P2410072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa176eab32700d4e0644750d7735d11c18017b97f84edaa058a2479854f4717fa. 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/ZZA0P2408241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c800024755e6d057fbc742ef8c43cfccb000bcfedf87d75f5b9b44397c09d39. 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/ZZA0P2408242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41f542fd58cffdfeeed00dbb9a0238a460f763df6f5375a5ba9f45499e022ac5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ZZA0P2410073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef5e5b3896add52defd45196e61d1ceb0cf03cf905098dd4fc24b84587afe780. 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/ZZA0P2410074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419054e259c8820cbadc2f157b63aaa9df9fbb728c16d9e3ff89781e47983eae. 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/ZZA0P2408243.
Nice to Not Meet You (Original Television Soundtrack) Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x007ea541989841aef01d4ee2433d6fb7aa2215d26e34943c563f5df1817a8e0b. 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/KRA302100238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf03a715607e85fff1500716e25dbd31ba6b7c4fa57d11930c31a00d4bbe2c03d. 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/US5TA2200043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6db212577198dadf80867895ef237d0f145dfd65d14ce5bbb18820425f470701. 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/KRA492001478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2910ff1f8749af93e33d70057836693d01300023b39fcf190cf551f9d81d8a0. 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/KRMIM2129759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93e20d822af10d92d6f65cf31eff210571b1f745cced2339b48fa681486fe37. 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/KRB462100374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7275798261c9b3dbae0fd023418336af8ee00cc63735d25303a42b92126dcd8c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/KRA382159257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x495c9bdbed70c47c8e4d2b4437bc0f3cbd05525f4319f2d78635f941015bd74a. 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/KRC712200033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff4610b852414b83c6d8a7bc16801f6d5c0cdb57b037bb9406bf8d893b6a885. 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/KRA252100589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1398a767cf078dab55087d5484282286c04a9b67f2da498f4caab1b583dda2d7. 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/KRB472200540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8b7cd7802e763ac1d1b212333ebbdb3dbfdee2ffcf2bd089a81ca4f1256366e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/KRB462200429.
Extraordinary Attorney Woo (Original Television Soundtrack) Special
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254594d164d1842bdc4f1186579114f0891c9ef302c8bc532e83dbd8ac8f1b9b. 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/KRMIM2241954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc32b023c6ef95f5a812030252cbbcca2faab5205220c57a868cce2cd556b005b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/KRMIM2241955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a880d938b44ca7605de8e0be2a41ece9098c10a5df3c568e4e14d61ed0aa928. 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/KRA492001309.
My Side (feat. oceanfromtheblue, ASH ISLAND, BRADYSTREET, Wonstein)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeb1d4e5923208509fea508d1da5cd168947400f89042a67e3b00b6e4a44f2c2. 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/KRMIM1903044.