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 0xb87e7e4d8411e96925cb0f9ca6326067e313c8a66830a7ebbe4df9271981c0e9. 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/a9e0f463-d7ee-4a4e-b254-6946b189d287.json and https://artists.proofprofile.net/proofs/artist/a9e0f463-d7ee-4a4e-b254-6946b189d287.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 0x049f1a8df30079a1d3fdda25012c8965edb24f8115a09eea905089dabefc771f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QM4TX2445076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16569a4940c93514a39de0834e162b631ff89d84d4a65443d3f13b012db1fd34. 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/VNR011133095.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (Remix & Lofi)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - BB Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea2e2a41dde5405e275d635284cfe48e12b10aed4237223cadbb9a6682d1f818. 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/VNA0R2401611.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - Kai Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb4a146e4fd230e11f1f939dcd27317b48f1edb354dca5086107c1d880187cc. 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/VNA0R2401612.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - Style HuyPT
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff95fdb2c6c643d0ee115bed39ded82211a7f82a5fae2a5d2b6bccb10b898430. 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/VNA0R2401613.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - Tú Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b88a92044713334285ce901b05dca78bf6f71b52cea55af0eea399967fb27ea. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/VNA0R2401614.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - MeMe Lofi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8218636a11de8cae172c04ef8de4a11d10709a7fa2089649d9dd0fa18cf6b825. 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/VNA0R2401616.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - ZZ Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee77c6a91b82069d0a5b6bce4f1e6017123a4c9f0b6342ebde5a4aea668557d. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/VNA0R2401615.
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
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - MeMe Lofi Version 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa71f6315fa41595c07a545e037e4a98de865b7d660104788b9c955e530705993. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/VNA0R2401617.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi x Em Ơi Anh Phải Làm Sao (Topkn Remix)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi x Em Ơi Anh Phải Làm Sao - Topkn Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09c61e720821211015b673448d15eae74817f0a9ac83a1501d9bb78a9b3db027. 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/DGA0S2440663.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (Minec Remix)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - Minec Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c813ffe32fe32a33891c73d708f7cf16444c5ad988c167a882e1392fedd4832. 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/DGA0S2431012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebfbcb4a1650b1fe8ac1a496700a0fa3c58bd0b10a3b065d8c0d3276216c6b8d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GX57U2500655.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (BAOLONG Remix)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - BAOLONG Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2e8b8aa7fe96f68e56a2cac6962439d72982f1941f81d4937a933d4146bb8b2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/US38Y2433393.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (BAOLONG REMIX BEAT)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (Remix)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd6cd13de0bf5147261bdb21d230c913a0f1615a1d2b7e40c7725cf0d2298eb. 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/DGA0S2440346.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (Air Remix)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - Air Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7bc82e484efc48d34306ea5ed7382347d29e8f8759514ee97d1ced265abec4d. 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/DGA0S2446265.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (Bi Quang Remix)
Vạn Vật Thay Đổi Vật Chất Lên Ngôi - Bi Quang Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05d44f528cdac19d99e645b0b30ad31e88cec7592cd4939a8752e126e761bdd. 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/US38Y2432485.
Vạn Vật Thay Đổi Vật Chất Lên Ngôi (Bi Quang Remix Beat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32ec9a52502dd6e8ce5b123f7cd426d5fb56faa41075f206eeb5715f104af86c. 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/QMFME2404031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7648f052569afa681b2693ee7a2e9a3304968ceb295cff32ca90ad7f1efb3eb. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DGA0R2455976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f073c54ea4ca48419eb73c39b9687cd9a5828a6ce9e706bc2426427880a72c. 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/DGA0Q2422524.
Hoàng Hôn Remix - Nguyễn Đình Vũ Ft Út Nhị Mino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x028ea995a2a5df97cbc6e98487caae48b29091f64fa1f37b9f86e510c2282ea3. 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/VNA0F2403599.
Hoàng Hôn Beat Remix - Nguyễn Đình Vũ Ft Út Nhị Mino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98e6f9b1e90cae7e64251425e952ec6afac8e202af6b278da0ed0d6b6e18af6. 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/ARC572404711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a2e26e72b15d8955e583c5f06088bb902191c88e2b20f94cc0b376102b7a56d. 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/ARC572404716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5c399d718fa1aac088f62c3a75f64cc3f9348ee798b16e67a6e2a7e36d0a51. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/VNA0M1936454.
Hãy Để Anh Yêu Em Lần Nữa - Solo Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6b55391f4dd0220b32ee94c238cc8c32fca0ce5ce1ec7e027c0806c9491cc5. 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/VNA0M1936455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32b7051d032fa9f6334742135c700c58dff19119af65617015365357a974f23. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/VNA0M1933937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44559368a4633753954583501c8e0836ab48270731a3d4dd719f9537164e627a. 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/VNA0M1934638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92878e32d2fb04564fc457b434bf64f1c4dd5f8261c66a2a601b503ab8e7ecf2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DGA0Q2399372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec032d0d48d6c96475224444ee9911f8cdaab49afb2cf27f2742787c30b2b41f. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/QZYHM2366213.
Tất Cả Hoặc Không Là Gì Cả (Nguyễn Đình Vũ Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c4eb9044978a2e3cc6ad4561837a32350c200c84f45fe434a94085d0fdff514. 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/VNA1M2223955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d2c1af5922ff1d511166fa6ed3115bed59b2ac6c66400bd1060e29a048bf52. 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/VNA0F2304441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12f2369f21aeab11bbe8c4d164634b7e42d29e4533dcdc5a6aa9988ac0de3716. 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/FRX762327001.
Không Gian Cảm Xúc (Mùa 2) - Tập 6: Khi Người Mình Yêu Khóc
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x931fae542ad410635da025ba80c3f1cb3732cd239177eacd8d2e94d39d584b03. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/VNA2E2311386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x967baf9908e6a9697537ca51112086f5c0b120c163d6d116a5b1d4dcaafff4a5. 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/VNA0F2000241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b25bd0ef12988d4a4e394af9ade1ba04ddfba87c56f8668f34ecc8edad1e321. 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/VNA0F2000243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x828786630fdce68a1dfdadba3d4c62fbe4a9a601a43a2b90181df35a0bf28f29. 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/VNA1M2205710.
Mashup Không Cảm Xúc - Xin Hãy Thứ Tha - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e71b4cfb286bc1702368b23174909dfe810b7ca2961657768e479e5f0bb139b. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/VNA2E2311385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22253a8b3e5adb22d5bd3604fc56daa3df65faf23d19d7dd938245a3c7f4b07. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QMFME2289012.