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 0xbe178c43bf89780163c5a94f3191482c325021fe4f1a9ff788d9cd0edd14a04e. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae503bb6-d20b-40df-941e-eae8bd5e602b.json and https://artists.proofprofile.net/proofs/artist/ae503bb6-d20b-40df-941e-eae8bd5e602b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
创造营2019 赤子之心 乘风破浪 第6期 (纯享版)
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 0x7df13f55ea222e80c71e87d6b1a460c7318f76d9b7d68c8f314021a23946b69b. 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/HKG732006014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35377052429f3f61f40975448d359ba547d48ebee89f7a1872c5ca4dab41cbc8. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/HKG732006015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe719ec104b9b74e0c8a7603584706ceb002187d0945eac313672682b6c7d1ec9. 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/HKG732006018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c16f35f4842fc477e0747838dc21bbf12a0a750072281e5c881b28cea8dde0a. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/HKG732006019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca0954a6d344ebddbf9559966490c5ad1dd0465c61e8d6c4c995fcdd7caee288. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/HKG732006020.
创造营2019 赤子之心 乘风破浪 第3期 (纯享版)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd8fb7a7e119b1988c7cb7634e72ac4c8099b7c163394077c0bd8b3c1c2957c2. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/HKG732006124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37583fcbb0af26c34de028229617896b2e8857a7ca0253d1686a59b87bede8d. 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/HKG732006126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe07f9d398d7f60dfc6b06827494133c6a802305f867afd39d28a01eff526a547. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/HKG732006127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb70fc320505f0db5533073e105c870a6072c806a0f009cf2b30b261e6957cd83. 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/HKG732006128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b6d8a3c9b632fd1f6c52fd2631d0f6b12ca4d4c5195465819b7a75ba09c9ca. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/HKG732006129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00620c59bd8b52f5955a0ad34f6b0f219da9d1dd08c7e37bab221b575bfca498. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/HKG732006130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x135de827038ea0419237278da91c0985f585d553ce653173d7734aaa9448d276. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/HKG732006131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e0446d729a0b58cf5d4ae0282be4ff47910c7a853bc6fd28a8f3f6ad4ab4ea. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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/HKG732006132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee1d9853f4826e378a0600ddec2cc0280dad82920b4a2ef2e0b4a34bba205dd. 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/HKG732006133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d52115eb840a4fa9ffc72bb3dcef4df96cf84ec78d2de223f39f899ce2d9ecf. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/HKG732006134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00f22de5b8ad79f0cbbc98d45dbcb45fb1b1f06cd51c2c242a6eb22ca7c50be2. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/HKG732006135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x697bde24bae142901db79b3497df43f67a93580e73ecc9a0441d31fcb0232051. 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/HKG732006114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49bbed14506200fc2e39185c1f9232978ce77e126b2c2e0f6d4f712091c05f2. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/HKG732006115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f366fe14be7647e3a44338ad956ec8ff9feda75f544823184fe4718c9622d0d. 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/HKG732006117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0479425458e1d1179f869746025321c77a91b084a69c0542339a87dd214ef181. 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/HKG732006118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d861e0576c7a9ef3be76ebb9738309284e3e23bde15dd1e78f32492adc8e80. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/HKG732006120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88ac805a92a13957caa270b6a83cedc515f828dce9c8a36ddc93e17ff7d71d1d. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/HKG732006122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeabb1d4f4d58c816ab2367f107d101d35535c5127d934a81105a5f526e560bc. 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/HKG732006123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc52ea6032920d76b8bc9cf0d78aa94c86b65a63d5842926adaa910a565f0cf3d. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/HKG732006010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a7d0e9ad8f537db2569fcef4102ef0a31e4d004be4e6c7c0013712dc91d8dc7. 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/HKG732006012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x656f37ef8a4fee23d28d36a3b802c0f6429d013c6d1ed82b6dd5e5616c568e2c. 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/HKG732006013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d52115eb840a4fa9ffc72bb3dcef4df96cf84ec78d2de223f39f899ce2d9ecf. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/HKG732006134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88ac805a92a13957caa270b6a83cedc515f828dce9c8a36ddc93e17ff7d71d1d. 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/HKG732006122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc52ea6032920d76b8bc9cf0d78aa94c86b65a63d5842926adaa910a565f0cf3d. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/HKG732006010.