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 0x6f5be721987e37b2dfd2622f0db315d0894a250428b10dec115584a7062efbde. 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/3f505c31-34aa-4109-a224-e073abf483b8.json and https://artists.proofprofile.net/proofs/artist/3f505c31-34aa-4109-a224-e073abf483b8.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 0xa38078677a2871f5f8daa3b2e702b506de80d2c4b8e5e60782ce52241740fd42. 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/HKG732144874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1732c628894fbc91e3aa89480c6cac7a58095af63fb9a7d972a9290ce1c34a. 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/HKG732144875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf32e909c11fe8dd381a90b627226ab33292a888d4ce16fe3125d2bec1a55087b. 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/HKG732144671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x179b6c684bb63a08b67893df3609446e3230400827b13063971be21de039fc9d. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/HKG732144669.
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
遗失了你 (《我要逆风去》电视剧片尾曲)
遗失了你 - 《我要逆风去》电视剧片尾曲
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a8f844d23eddc88cc5d12635be403d57b55a804a3ab683891cf871954fa3eb. 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/CNZ632401345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7757cddf09a97fd1f1b884d3cdd09c63be5eeb2c8ad59ce0df79febd17865300. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/CNZ632401363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93599370625669380142d972257c1b46a6e5f8cb04efdf4feb13b439c218d376. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/HKG731610684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4196d2fbb0e9562b70a508bcc38f35afe2d272b428b4e9111eb58540aa1554. 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/HKG731767359.
奔腾时代(《最好的时代》电视剧主题曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c57c51f86226ce4c4a1f2f822a0a1cd51c1695495c30f2f3a7f9d1f12f6eb6. 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/TWD252050835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94884d55bd3f777744a7e1767c8e7e1de0291391035acf3f295e8011266607df. 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/DGA062026895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cef82ba9594f13babbf24328869bb4d8c58dcab7834725feb95a9c16d584f4. 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/TWD251950325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2a99f0c2b4704704121db9b4e3b557c8e5db1059dc69ea140ccb5a8f6fca0f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/TWD251950283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf657bb92d4abbd0e0875bbe18f102daa3758c9bf96dcfd579891dfc0a3ab5df3. 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/CNZ481900017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ffdface11a22d147a894addb89067f465bcab326b1df446d9dcf00246c1e9a. 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/FRX202009915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1b1ef646aab38cf25088ca539a26a74dab1ae5f4acc4acec13f9190430dc93d. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/HKG732280541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b199c9f8afb21b3c80938ec620f6d716eabf84c27225892243ed8f2e3eb42d. 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/HKG732124857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1aa8ce5a8c29c0f912616783fb730e1d0f3e92ffbfe578c090d1027588d072. 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/HKG731894208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fedf625ff95b1fd4bd2881f64e5ef0ff5786dc2de30830c7caae297536f1346. 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/HKD012311221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2d27799b4f1d10a1bce85831bf37e15fb5c019871bbc25dce9a26a245ad9f39. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/DGA092374774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb7c7e83f77f0605cfcd8eed5307840e2efb3c5515e68770f16b178d12ec12ec. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/HKG732280543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626212382aa1fd0052d9a02bdb1651c404fe2d78e28445119dc1efab86cee6cb. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/HKG732124891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bf26367bcd2fdf48d4edb89e3c6242ea648f4dd9a4236bc375f1fc0e6d57f06. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/HKG732280534.