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 0xd43c7a1280ca488a030cfb334be9c5994a6cf4ad9813c5b98958f2bd093bdb32. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/759e1ebe-ec5c-45b4-a0c0-546e8e8e18de.json and https://artists.proofprofile.net/proofs/artist/759e1ebe-ec5c-45b4-a0c0-546e8e8e18de.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 0x46fd6690ae5406a259e28e3d2cee1c20b561a3b0289f311e19bf6748b58156b7. 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/FRX762047851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43f5a95eb6be6a0ce78271bb15a0005eac50b9be6b3a596ec067f52b8482234a. 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/FRX762047852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bfbc1a33c29c4a3c16df173098689d4f0bc66018ed7f05553dfb5ec5ede838e. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/FRX762047848.
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 0xb6e3ec1cf94fde0cc6f387110efcf4bfc8217a2ebfc2ab50569738ad94e81df0. 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/FRX762047850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x497a719556d2a3bcbeacb98997a85943287b25767e101a57e2ed81eb11492d99. 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/QM4TX1700084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3323c026487df9674f241c43362c91e943618ac5df54c2b6f17de6383aeb097d. 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/QM4TX1700085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf654859e331ad22e75d90025984c37f77ce93b03916cb2e57a16cb61af76e416. 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/QM4TX1700091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1502c2ee6ebd6b351fb166a1c1e68a6483017fd7f2b4d08ccdf85945b1102c4c. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/QM4TX1700083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c0ee45418b6b445697fa4909ed841c89ec323be156cbe87fb3eacd074f08af. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/QM4TX1700086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x534bbab6766f729d5b9dd627dc4c382184af7ff805632755fcc3e75802a4717b. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/QM4TX1700087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x915efd64e66621a86cc3d3658b0b41322ddb1bf0b2fd9994b56f200cefbdb57b. 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/QM4TX1700090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2b97bdb2548a220b02be84ea57021cc4c8634a9f2ec647aea94c0dc4aed4e4. 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/USA561168419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6642bb649b48298391d0a57120b541e9188fa1db4745267ec6a1ab7ad092c1. 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/USA561168421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae4c81d22d5a0e70cc2a478a656b857fff2503b3085690ebaaf6a252f7c9483. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USA561168417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e4a1c35dfe9c89ad9751c729f4da07ec9cbb0691013d6c328530139da7b1c1. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USA561168418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd59332350a3f4467f437154f17f8f8cc82418344acf2f5fb7e41d0630ced2db. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/USA561168420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e086a89c482bc9f35737a710f6805b070801cdd81371ed165a5dd02cbf582a. 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/USA561168423.
Panda Records 16 Anniversary Compilation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7c12de53e3fca4f0c20d67d0fdeeac6385ddfca787a9377bb1eb4e9ad3a932. 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/QMBZ91557755.
ฉันเองช่างต้อยต่ำ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4381d88ebf675a859d3a20dd227df5f4e1d03488adeabc264618f148b55ad5cc. 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/QMBZ91557756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cfc25a60ead1ebf18955d6aa688b11be19ee155f974d94f9c6ad9e221eb350e. 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/QMBZ91557757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x054121361c7fab991203d9c03e4da9363473ae4032aa478d10493a54b53c90a7. 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/QMBZ91557773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf126632827721ca77be9e693ea5e11f2d85fbed4346b8f76697355505bed1951. 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/QZNWW2042562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac816e84edabf5d3e64e2d3ae02d6b3aa88408854bebaba50a25b8a953cc703. 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/QZFZ61970957.