Kim Kye-hoon (; born November 12, 1979), better known by his stage name Crown J () is a South Korean rapper. He was a cast member in Season 1 of We Got Married from the Chuseok special to episode 41 w
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 0x0967c70ae545f0d599bb67de59869adfee585d82b8393959168af57c05bac2f6. 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/0b5ba0f5-eb26-4d05-a63d-0e46beb08faa.json and https://artists.proofprofile.net/proofs/artist/0b5ba0f5-eb26-4d05-a63d-0e46beb08faa.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 0x38b788f6cd82baefeb50484682fd039ed9e84c659a02a00037c8755baa123088. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZK6P2008442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d3f5e75522d4621faac1f7c72315d0d9bf009903e3526ede2715f7e9f0b18b0. 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/FRS182072455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f9972e54ed946c320045909b6fe90a56d79ee19545117c767f0cf2ca1d8836. 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/INU251900308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95b07c76bd9223dd8fa45d416bccf108c4648571b40617aa636edf674acdeb0c. 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/DGA052023903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3853fb87927fdba808e6be47960b02fca1d54009ed09bfbaca110fe6873a1859. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/FR2X42152186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70e611abf04473f649ad5f243853425afaf8ae7794e7ae4cdd231ee4732773bf. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/FRX452171228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45ae40f1ca26ae6fe1d50ab4f52de898759479ed7ed7017b94fdeb07a89719e. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:03:05Z), 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/FRX762129504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ad737454aa035e5929f72e4c9f53b20d4b08b6ca10e51db8cf5b3a4da07e44a. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:58:26Z), 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/FRX872144196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x807760276e9f19bab8515de412764a2cc459c1461290b57a033af05cc43890be. 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/FR10S2282970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e9f51920df77c35b767635810647b8b8634b03fbbaf3f102ce533c0cc551a3. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/FRX202203177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1944e88434f89db5e4f9273fefb1e09de38cffe5f01b10f1f339916f28a7ec. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/FRX452201855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c857b3a1f69b4de3b7c63f7fae6d0f6ac9714ba00c36fed766f83c9330c3a3. 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/FR96X2395338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f90bf55d8efe76dda8c46d8dbad3c78ae0df4a112f51de857c3de974a72880c. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/DGA052345791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebc08ca5d57832bf8209cf1276f7fb7169eef60d96958e4d8b5e4ca8c821dd23. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:52:11Z), 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/INH102315726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31db412eff58f9e64bcecb3c5eea3c6152310e8701c65743f23f8e10698e9cad. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/FR59R2419801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59f94956e89e37d4f425e8661f7bf90f8a45afadea59cf66469a606a2acd9c3. 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/DGA0S2465279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcef2569dc7f2a3d5a190cbf535da67d911f8f45d77286cb2d39ba8ac0265946. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/DGA0T2448865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a0658ce023d9cf43b7d5f08435bca6d972c03b9f3a5c9a1d929c094bfe66ff5. 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/INS182500510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd363b207ff39c77d179141cb09865b3418236fb8746db58fd54dceedd0bf63. 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/FR2X42594375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf086d8d0f25178de6c2c4a675e500f74592bfa3c5b3ccce2e290467f800c0f2. 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/FR96X2554179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20b7f16bc58f48d827feffc0cce08dd70974bec3bb1e3156e14faabd0a81fd2d. 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/FRX282523657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6e37d831a85d49ac036ec9022b0eef58731a3edb0248d0c2e3fc35549c28929. Chain 2 (Bitcoin): anchored in block 957791 (2026-07-13T02:46:19Z), 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/INS182503880.