Baek Ga-young (; born October 23, 1987), better known by her stage name Hello Ga-young (), is a South Korean singer-songwriter. Before beginning her solo project, she was a member of Joa Band, a Korea
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 0x2f742f798a4e1d338b5155755e69dab6d95a341ebff2d096ba0672c07fdf4e19. 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/53dcd864-8403-4030-b407-d441586daddd.json and https://artists.proofprofile.net/proofs/artist/53dcd864-8403-4030-b407-d441586daddd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Collcetion Of Short Stories - Winter To Spring
Collection of Short Stories (Winter To Spring)
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 0x26ebbd18f5b6d2be7b467d100fb492ca27d6c59525e54f46ab4bb376569d25a4. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/KRA341765643.
Collection of Short Stories (Hang In There When You Feel Down)
Collcetion Of Short Stories - Hang In There When You Feel Down
캐리어를 끄는 여자 (Original Television Soundtrack) Part. 4
캐리어를 끄는 여자 (Original Television Soundtrack) Pt. 4
Woman with a Suitcase (Original Television Soundtrack) Pt. 4
Collcetion Of Short Stories - Where Is Love
Collection of Short Stories (Where Is Love)
Collection of Short Stories (Almost Like Missing You)
Collcetion Of Short Stories - Almost Like Missing You
My Friend's Romance (Original Television Soundtrack), Pt. 3
Avengers' Social Club, Pt. 3 (Original Television Soundtrack)
Avengers' Social Club (Original Tv Soundtrack) Part 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1d65bef6d5ad94e76bdaf813daeffc53d2370e97a03a08e75792812e3146a38. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/KRA381703034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf199eeda88c9c62208d7aa72f1b565ea2bac1f95436952e49ddf714da467a71b. 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/KRA381802256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d43046be516f9ee1a97b3680a2e9c211e90f5ace026041e6c2deba96a9a562b. 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/KRA381900267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87683ebdbace4210646a11283a575157da5d5969be7f365d6cca29aee8c2fe57. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T02:09:11Z), 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/KRA381900270.
Love is beautiful, Life is wonderful OST Part.1
It's the sun that's sinking, it's not you
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2933fdc12d0e960f4309a64e52251c62f991f2c0527b9c66c28f900ee5fe5215. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/KRA382001045.
Did you wake up? (one and only romance X Hello Ga-Young, WONPIL(DAY6))
Spring Is Gone by chance (2021) - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ae27dca33d298fdafa9ab236cf44507b34ab196f6c805af875dda2deabac7d. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/KRMIM2112510.
Beautiful Now (Original Television Soundtrack) Pt. 9
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a195b195a2d0f0d0e6480a25abecf4d95adc6c65c0d2493553008be743a5d7. 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/KRA382206145.
Poong, the Joseon Psychiatrist OST Part.2