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 0x21c46763af45d3ef297304146e0ae046889fe466404b82c7cb6256396ab38c77. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1dba120-c030-4887-bb7f-21500974a015.json and https://artists.proofprofile.net/proofs/artist/b1dba120-c030-4887-bb7f-21500974a015.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
谁都渴望遇见你 (网台剧音乐原声带)
渴望遇见 - 网台剧《谁都渴望遇见你》主题曲
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 0x554baf04ece88d319810552998f88e55d59e4a77d693631f81c716c8eebffa04. 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/FR10S2079969.
也许 - 网台剧《谁都渴望遇见你》片尾曲
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363bed2ed8b879564a6fed143c20ceadfa674d1a3677b23013267db27891d3c7. 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/FR10S2079970.
我的回答 - 网台剧《谁都渴望遇见你》人物主题曲
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75a6f9fb06a2de692fd8466d98810737b9edbbc7d042cacd256ee6c770789b6. 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/FR10S2079971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6371a2189f43d7d6e4574691750cbff61c6f5bff1318f147bf94abc83144ed40. 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/FR10S2079972.
Happiness - 网台剧《谁都渴望遇见你》情感主题曲
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e165766a42a31f024b1a7518dc2fff853ecf52855a6721002f72c67b2552fef. Chain 2 (Bitcoin): anchored in block 960155 (2026-07-29T22:13:32Z), 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/FR10S2079973.
渴望遇见 - 网台剧《谁都渴望遇见你》情感版片头曲
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8779aea529ea40c0dce0d6675d00323a952f1613cf1e70ed188c587a8d70e04. 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/FR10S2079974.
谁都渴望遇见你 网台剧音乐原声带
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d3481b5db00188a6e6d26e95fa272dfccf4f3b7cd82b306feb1aff7422edd9. 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/HKG731875463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb86a8e98a05844ae1bf40083a992a6e51a8ea44c946b290b3f2d6901ef2d3e0. 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/HKG732112494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ffdface11a22d147a894addb89067f465bcab326b1df446d9dcf00246c1e9a. 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/FRX202009915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81f9f2f749319e4f035aa9a970aaf148bdc950284c20e8408ab7182c7efabe6e. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/FRX202009918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd30dfc9e4eb72872ef172bf1a33c7165e184390da31cab52114721a9a19cc710. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FRX202009921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00f209391516d51038a4b5ac550dc6b7268dc4bebd3b4e394b6d27e9c020379d. 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/FRX202009925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ff9a30fa2b1d93f92367d9eded9dfaf361da942b9560a4319eadad3a48420b. 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/HKG732140518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd94e7a6a893fdf53a268ea1e3575d6a76ca68127b361e07acba7d6cb12a1c7fa. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/HKG742115667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x378b4aed2b4b56122d41d69c603486a40f31b84f84859fc08d9fd00cb6722e31. 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/HKG742115671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb844937aabf897a6d8862f5dd9faf3be3ef8f907e29473dddc6b53dfe8140a55. 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/QM4TX2441032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ca49883500a13107374eea18179d30b307d68d419aae03bf875dc58d100687. 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/TWDL72206246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6ca298b73d13098281403631bec7e50f22e9c16942c522ddb5193629492cf7. 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/CNZ632201358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c3dd133bff758ccdffd1a1dfe9089fd239a8e1c463004b0cd75655bb64c3ded. 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/HKG732040964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac76a3590a30f3ecf21c1252de9da38b9c6820fd1c028199984477f89db1e1f2. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/FR96X2058718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb0d06602ab31182eafd30c28679f5dd684cbe5eb88d63ef2215067ab182027f. 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/HKG732264960.
爱在粉雪时光（影视剧《爱在粉雪时光》同名片尾曲）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d4914aa1efb0e2360a80e2fe7062df452bbcbc88afc66cc232f52dfc58d972. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/HKG732138041.
大周小冰人(《大周小冰人》影视剧原声音乐专辑)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71cd2a363200060ee803d4269a34eab6f89a71a8e991b93e9eddae2d3a0499db. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/HKG731764051.