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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cbf506d98df4cc1b887ed2a10ae9065d9c05fb3417aff3544e46a7761183721. 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/7e628a26-46ff-4849-bbcc-036cc2c919d1.json and https://artists.proofprofile.net/proofs/artist/7e628a26-46ff-4849-bbcc-036cc2c919d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mashup Công Chúa Bong Bóng X Cô Gái Trung Hoa (The Heroes Version)
Mashup Công Chúa Bong Bóng X Cô Gái Trung Hoa - The Heroes Version
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaa7d0deb0bd99f128a0d43cc584c811c8622b728c022dbf48cb6807542db540. Chain 2 (Bitcoin): anchored in block 958653 (2026-07-19T03:54:23Z), 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/SGUM72100252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca46de9bf0c7655763b39bf5e7ac6a0c24d734326db523f3802256b84e0041b1. 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/VNA092107552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98c25835f15460eb24bad82d167b3a723ff6ec89c4928ce3cc56d2ddb65074b4. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:07:03Z), 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/SGUM72100325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ecf4fa4c0fdf1d4d34f6b1fb63ad06e5859a4c26f19f17d7e6c638acb80ccf. Chain 2 (Bitcoin): anchored in block 957583 (2026-07-11T15:53:17Z), 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/SGUM72100735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1119371b9bf3e5c2bfc907012a8bf4c397b27c0c44eadd182e1d745d346c8575. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:34:58Z), 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/SGUM72200647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c27fe4158b01f0c11419089fa92b27f632501131d53d126d329d50872f5b696. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/VNA092201522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a21c0ef8f87f65144c87c23a70a616c94673e6fad4b72f374cbf2192aa96814. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/DEXC82300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a9d2911ee4674ce8a14937cbe26bea516d0dbc13b16bee5473b5db2822914b. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/SGUM72301371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78924fd6ceb88281de5d8128f90407c5bbda375d1b0e1a698334d57bf941bf9b. 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/SGUM72400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6bef7d26f55ab04e7b8931a478c9d36c722b2e6b32e0582746d1664426ab65e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/SGUM72400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca83ab6f9ac68d95388bed0208fc6956b1884aa59ae68a6ae87cacc5d9798e4. Chain 2 (Bitcoin): anchored in block 957587 (2026-07-11T16:48:26Z), 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/SGUM72400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe27b1875f4a8c8babacee1382b0eba792991afdee620746d360ccf5fd299801e. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/SGUM72400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22238247272989648326e9bf12c582fea67640e1e2b27b220811cb9888f3c986. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/SGUM72400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0d67c9eeaf776de5312b5abd0bb014538be77daa0d0e7222cf9bcfbe2f7d40. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T14:08:05Z), 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/SGUM72400009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x551d5bd3b54bc819db1675cc46298ea07f227c95833fb410711de892e22b3804. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:25:10Z), 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/SGUM72400260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc55f1cd99902b1c1b819c619356457b045dfecee7f1661ce24f49e0ed34d0185. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:43:12Z), 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/SGUM72301418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a60b3504a4f4d707d4972a8df54811c3ff484c99392caf95bdc9ae35513a7b0. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/SGUM72400463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6bef7d26f55ab04e7b8931a478c9d36c722b2e6b32e0582746d1664426ab65e. 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/SGUM72400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c27fe4158b01f0c11419089fa92b27f632501131d53d126d329d50872f5b696. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/VNA092201522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a9d2911ee4674ce8a14937cbe26bea516d0dbc13b16bee5473b5db2822914b. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:05:25Z), 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/SGUM72301371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a60b3504a4f4d707d4972a8df54811c3ff484c99392caf95bdc9ae35513a7b0. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:56:29Z), 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/SGUM72400463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca83ab6f9ac68d95388bed0208fc6956b1884aa59ae68a6ae87cacc5d9798e4. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/SGUM72400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22238247272989648326e9bf12c582fea67640e1e2b27b220811cb9888f3c986. 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/SGUM72400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170fde8f48bfd494da0acf69ca9f43b3fcfc9390a070b7709496879cfd967205. 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/SGUM72400507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c4d92bf36f01d68cfb1eedebd68473d0135dd7633e9a0d9e13feffdb45e459c. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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/SGUM72400462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x818cd1870ee26b409bf0e71f1ed9511fddf98a33b641b5ab70e50c528e6735fd. 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/VNA112400089.