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 0xd1ce9de1a3dab8bf3742b7fedfd1af1d30f6737320ebd0153df87b999f557151. 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/9a5cfc35-8a10-4fd1-affe-6554213a0bdf.json and https://artists.proofprofile.net/proofs/artist/9a5cfc35-8a10-4fd1-affe-6554213a0bdf.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 0x4779bf85b29e51f7a1aa4673e185d650029045c118c4a986ebadde9e2b6f0df4. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:23:12Z), 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/FR96X2446207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2483eed4d83b00a1e8b3dfef88773e6052e895089dbd3b9761ff6b3c0e53844. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/FR96X2446208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf437e7459bdf07688344ce25be46ef0444e2dfefa3ce6ae5d2ff6a80c19c147d. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:15:35Z), 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/FR96X2446209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51a2b715e1a23976e7f530c847aec6e7427aef6af542d641f652d5d82bf4990. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/FR96X2446201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf873bacec6e3f100d2ac1fe73319d0bb109d3e4f1a92b9a20ebbee0db8c47df9. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/FR96X2446203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc627331367d355e5194e59a524c8b03d1227714d87bc154449855fb921f8016a. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:29:43Z), 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/HKG732224554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f53418c4c6d8e635044c59853925d324370b7d782b121bee65dfe7ade406b3. Chain 2 (Bitcoin): anchored in block 957763 (2026-07-12T22:01:25Z), 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/HKG732224558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x712fd347c9a75a67735e8b483a8ed0fca3c42d3091d65c9c644a877f7e5c05ec. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/HKG732224559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a36e3296b72f3bf8b62e1eb008be9659af1f6c4cd53c161b828ff31235e10f. 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/HKG732224566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2def744504fd3d202123423f1556fe863e1cb707cf0695a40277a37a0941632. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:46:47Z), 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/HKG732224569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3837b728ae7b981f31fc2e0bb61c76078dc62491eb49383ad028d843853d399c. Chain 2 (Bitcoin): anchored in block 957767 (2026-07-12T22:25:13Z), 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/HKG732224571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95b395600ee34d695aff312ce2e1953076cc4d8ac848b3ab8231903ee439e800. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/HKG732224570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437908c837a8c8d059c5ce9e55e724dcedffdc020af1c19c9f9e5f0f32e22973. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/HKG732224546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b77029132118a542986381c00080c6accc742c9726aaa3d2f56cf079f12e36. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/HKG732224581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7289d750e3485d071da10774e165da5ce0c54c60f024607e2c19e91836a8cda8. 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/HKG732224582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb812b95782642db8003c7433cb59aab0bcd89d919d3b82fe707bb0ff0d3437f5. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/HKG732224583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x966c749e41e00d77158f4dead0522a5cdf89c19fab4207febeed3ad4cb0f5ce0. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/HKG732224584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x780cdfc30c93912df7d8a662782997768988066bff34767c7ed51cb2e6b7796b. 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/HKG732224586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc29c17d7f5a206da9d78c2be38834b2ebf18f1c8538ebebc6528f9c3281deb. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:10:14Z), 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/HKG732224587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06002d747a543be6de03cb936f5de915b2ffc978d2fd822f5547a9670fb07889. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/HKD012362612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdea7536a7c0524f278db8c64568075f472468cafc08b0e144773b2f5c09a17a5. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/HKD012362624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd09421fbdb521f467a862e0fe81d7e3203d07c0da371db0e74d05fdc46a642. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:25:03Z), 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/HKD012362621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x397e0d214ceb13875fe23e3b062caafe29a74903694b28f9742a8e0a496908d3. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/HKD012362606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeabdd09e31362be09203e73f7247ee26d1bec3df43834ed3b5246e83d41c2a26. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:03:57Z), 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/HKD012301638.
花园种花(在小小的花园里面挖呀挖) [DJ版]
花园种花（在小小的花园里面挖呀挖） - DJ版
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b2e36d64dd858a5e36432acb85b7e7fbfc5302d5a6c3a808cf016dccadc02e. 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/HKG731673990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f95d58cff073569a1884220f55230975fd58256ade783c81f4c08be72f770c. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/HKD012362747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef73dc96ab5932e1331331ff7ec2459e5f34795657d4e1f38616b2505b5c44d. 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/HKD012362738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72530ff64c3b0675f9b90556a7507ab66b00495d93f24cf5f9d2995e61d27a2c. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T21:59:07Z), 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/HKD012498741.