Meirin Yung, known by her stage name Zombie-Chang, is a Japanese singer and model. Originally from Yokohama, she is now based in Tokyo. Career Meirin released her debut Zombie-Change album in 2016, 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 0x2b151e9f719106102afe07b8f37c5b055c4f86a9b70905bcdd8a3943362f48c2. 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/e92e6527-dee7-4eed-a89c-f4b587ea67cd.json and https://artists.proofprofile.net/proofs/artist/e92e6527-dee7-4eed-a89c-f4b587ea67cd.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 0x30ac9ea36fcc3762f2ab37a304288f65f285df464f92431018a53b98fcfed924. 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/TCJPF1723347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30ac9ea36fcc3762f2ab37a304288f65f285df464f92431018a53b98fcfed924. 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/TCJPF1723347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc42ce933d840442f4ee16416e1352c0bde3ed69d2fc292b3cc207f35a9a7fc6d. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:36:27Z), 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/TCJPH1813293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0d1b582e5b5acfec2208504acccf0704a7fd8e0bcfbd66c7060e926f2cbfd6a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TCJPH1813301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e5ef0b5214a3cf30db79620d8a2581dc23fa29e93ee2343835c37f375bd8af. Chain 2 (Bitcoin): anchored in block 956485 (2026-07-03T10:53:04Z), 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/TCJPH1813302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db97796e5e83bdf5e9207d0d6479fac23c7b5f820ec978f4792f38e76c5a70f. 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/TCJPH1813304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f961a73cb96a6179a3f57f7444edfb46b874221f76f5b279a67ba3061998f26. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/TCJPH1813298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0d1b582e5b5acfec2208504acccf0704a7fd8e0bcfbd66c7060e926f2cbfd6a. 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/TCJPH1813301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e5ef0b5214a3cf30db79620d8a2581dc23fa29e93ee2343835c37f375bd8af. 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/TCJPH1813302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf87eb65d9792e4f4d73f1d849dd7cf9267bdcdd2ecacc25b57bfeb48227dc917. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T19:01:09Z), 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/TCJPH1813305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7287aa9284600694509e7139f36c76a525b28f34a75cf8dbfc3a263a90eb576d. 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/JPJ902201770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14da235192a2807125f34bcd6b84f56e5c32b0148aa3254c40f0ca70b3e543bb. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/TCJPB2425846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14da235192a2807125f34bcd6b84f56e5c32b0148aa3254c40f0ca70b3e543bb. 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/TCJPB2425846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc6c8816bd46c30c73ef300c0e8cf4617aa26338eac0ab9218ab764910c870b. 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/TCJPH2536633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc6c8816bd46c30c73ef300c0e8cf4617aa26338eac0ab9218ab764910c870b. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/TCJPH2536633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf5ba5458e8ae09ef4508e8f5e42594083047613a67657dec791591d11712aa2. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/TCJPH2537020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9945e3e6aa16631b4796feea12bb602790207dc61f01044a37b0f0f6d7785e6. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/FR96X2414556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ccc41db0d6a556a56e0e08ea259de59270d9f1f178687cf0c611e74f46d1ba. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TCJPM2071519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2d9f74b646fffa94f4d33f0281d32755bc09565c1b7762e44d0e07801ee2822. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TCJPM2071520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4104ef776f6d16cddb6b0e5062b2b163f9379ee1990c42299044af5048ba6e68. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/FR6P12202510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4104ef776f6d16cddb6b0e5062b2b163f9379ee1990c42299044af5048ba6e68. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FR6P12202510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6523048536b1bf2d054319011cf16bd60890653968d8b05be9afe8e9a532a8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPS809911054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c58420abe525d28445e9178bf7c0ff2fad633942433fb887685a911f7679672. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/BEN582300359.
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
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b4b56fd40bdd6a30abca5ea8ab7606ca0933fb0141fbf3f591e7630525fe8e8. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/JPN622100014.