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 0x01d8ce46ab58bd47ede2fd6f9abf0ea7c1fb582008789201255a01dc3db3dae0. 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/ca8a5a50-5664-42ae-87e0-7223e0de9ed0.json and https://artists.proofprofile.net/proofs/artist/ca8a5a50-5664-42ae-87e0-7223e0de9ed0.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 0x88d9e747cf9eb813c07198eb40d9edb54baa60b4a1c4602b688db4ed39a3982b. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/TCJPG1707175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81f73631cf3c5f849349323f6fd5a1adf967a2f30f3ddf220ee404f1b2b5065. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/TCJPF1758317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fa9bd5672af2b4a1f83a7df031adf488cc255c47cd9a67fd2ec933427d915e. Chain 2 (Bitcoin): anchored in block 957775 (2026-07-13T00:04:23Z), 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/TCJPG1736815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2eafab03a871ab03afbefbbc5d55631ac05043e093f7cd9201cf377905a5e5. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPG1706806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6179df59696f61a17726aa48da7bbff58b384f7b554490e7a64b25a4e1d9cf. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/TCJPG1700056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783483283d7211abf12fb5d33e92305ef90279ebef9816c834d1a05515cc6910. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/TCJPI1806533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x171f83d0dbdf6810d9f895c8d15ba6c71d0003efbc820b1e3ea4037b449a5d11. 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/TCJPI1962555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x564d06e5e09aa3a66c24bc70959edf58a92b3395ce7b0d975b1ffd3fa7851a3e. 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/TCJPJ1931916.
殺したくなるほど誰かを愛した事はありますか？
koroshitakunaruhodo darekawo aishitakotoha arimasuka?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c8ff47d7acec85c81585de313483a65c38d908a9122c3800848e42fe7b7f997. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/TCJPK2051572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82249a4bedd87d4de54e7d20ff3385e7b4fd757fb6892b502866324fff5a6b56. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), 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/TCJPM2010189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225e5bb7069f2ac50991fa6dd0ed0d94d46406f9120c0b2c065cc0acd36cd44e. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/TCJPM2082786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79aa3ca592fb1e0085d75135d33fdfe1fdec61b4dd6da82abbca900e5f8813ae. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QM6MZ2170161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6c91f6061208fae9726a5b4bd812e005187ed170875eab258e2ff50a60e110d. 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/QMFME2199557.