Kim Hee-soo (; born May 10, 1994), better known as Colde (), is a South Korean singer-songwriter. He debuted in 2016 as a member of the indie duo Off On Off. As a solo artist he has released the exten
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 0xb1de8318e1de898899d714bc47badf6c0092cd8e78128a2d56ea46b321ea0f5d. 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/d0186198-f8f8-4d95-9a1d-0ef7a89fa74b.json and https://artists.proofprofile.net/proofs/artist/d0186198-f8f8-4d95-9a1d-0ef7a89fa74b.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 0x6de1d9c39d68a05e87a101479fb0fbc9bdf4f1fafe3ffa5d21042ce21efd8982. 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/QZF452045685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb581b109733ac3cdea058a1908b72aaf8290d19fe7a908d05d1082d6e5741b01. 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/QM4TW2107823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c46e679708ee9148c0cee385090fa8ea9deefd0188a5508ca87b993fb4f4bf9. 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/KRA252400948.
See You in My 19th Life, Pt. 2 (Original Television Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6694f84e4d4785d33c05c57cea4eda153913631951aa3a52f3230dc357faaadc. 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/KRA492300561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f56c51a0daa207b426e9be705d47b8f9e9eb84575a608330c2d05e30c0ba9f1. 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/KRA492300562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb438eb4558e2c7940e168252732855dac9a352e59d4c5dc423baaa139dfefce1. 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/KSA002200700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3118a542ed7a5a563936bb4916c573b4b9ac667f88f04abe59a9be6c20ba3bac. 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/KRMIM2176673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc542f6a72fb6bdf4317d78ffdcfbbef5688d4c9c682179684157baa10186261a. 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/KSA002101009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c32e1403c375e92da05e198568c2c0ff38f158b44171dad8f6f3f9334ae0aac. 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/KRMIM2130687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0954f98d56ae800e8a34bb68cf28206869da234d1ec3b8b6096157479833d49. 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/KRA252100595.
Backstreet Rookie (Original Television Soundtrack), Pt.5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a3d8ec96dda210525d9f4f5891272f4f83b48e47466d5781f582d663cb48e4. 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/KRMIM2018682.
Eccentric chef moon (Original Television Soundtrack) Part.4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24c7511f5611b0f965e1b1c986b4054a9be7bab4dd7537ac86e1031eacfaf820. 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/KRA301900044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e8c2ae75373a4f7a23a2d7ced4fb80aa50137ea4eadea9eb6fabfaec9eaf91f. 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/KRNAR1804612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f13277ca67b07a26e46cb54e029ece795bd61e53b537f7dd9569e3d00398d57. 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/KRA252300863.
Don't ever say love me (feat. RM of BTS)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8624ceccdd47082193682651fa63ad16746a3c04702df10c29664d4415aef464. 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/KRA252300864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa62ed1ad35e17b18be079f6a8c1d8c3aa7a71b1719f579007709f4b7e807477. 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/KRA252300865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32d4e42a3a38ac15d3b44672eed818f6a374fb7e86d927e42e2811784e4d4b97. 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/KRA252300866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e5ac6f34f7e75046b8de670c835968fe11dbf89df65ec4f0bb65683e28f4f5c. 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/KRA252300867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64e0f3a6a394b1d1050e4d78b99d9c83ddeecea9e67262a081e516e8f7f6adc8. 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/KRA382159617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x481857ea2e7812dedc212285ce813b97ebdfc7968ace29a77befc9fbde78a6c0. 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/KRA252300868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b4e81f491e15d938487e1fed1db9158df8c0115ceec2f9410ed6b27aa9ba4e. 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/KRA252300869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf72fa9b5d89e1e9491c60e2ae9b004ad8ba114b07e341a09d6fa9819a01e83. 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/KRC712100074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9e719c35933e7791401302303caf66699bd21499c501360adf5ee827b289d97. 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/USA2P2243394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3abc150a3721a4d4a14ea2965717b30affc0de314b32b19c2190563cc6a93f6. 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/KRB472101041.