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 0x9df819dfc10ae548a84dab34e8d2704707630e6bbc5fd379bdaa9889e8abf400. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ca7077d4-259a-42b3-8412-93d3a45684a4.json and https://artists.proofprofile.net/proofs/artist/ca7077d4-259a-42b3-8412-93d3a45684a4.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
รักสาวนครสวรรค์
ยั่วให้อยากแล้วจากไป
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 0xe4d7174ee24e64de10aa3b95b20e5b20b4a7c277d0ed92d80adfbaed72e8c531. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0000082 — a six-check JSON result.
แฟนเลือนสะเทือนใจ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14bfbb58e9365b989014d5a6cca131c742679e252c0e029701f19c4804249b7b. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0000085 — a six-check JSON result.
อดีตรักไหปลาแดก
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d414a9cf2834ab0af818fda19b22e8b09348ce0e415a04606dfce7d088499f3. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0100012 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a0cda6feb70dc0bf0306d8d949729230d81ee8dfd79c163ef0fec6e6b3963a3. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0100014 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb88c9b07f32f47538f28c88456af31aa2ae8277c039b160b3f68f92acd46e37d. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0100015 — a six-check JSON result.
ให้เขาเป็นคนสุดท้าย
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f87fda50a80c34d8e290e058c9571a9632a8a45380188bca38d39fe1526b434. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0100018 — a six-check JSON result.
เห็นเธอที่เยอรมัน
น้องดาวรองเท้าตึก
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7807adcc259f80a051a6e6d62a43480566a8fa578e9cc175a43888dbd81614f2. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0300062 — a six-check JSON result.
คอยรักจากสาวห้าง
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa45c2c53f380120331d8ce3c9349922a044e83b0f66d3c063b24bee3bb026c0d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0300064 — a six-check JSON result.
รักพังหลังงานบุญ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526001fee6bf8e960a32b7d8f20fddad666811630a3e969f6fb188037f63254e. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0300065 — a six-check JSON result.
ขอเลื่อนวันแต่ง
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e3fe3f0e1d09d515ece2da814e28e1e2c728ace7df226f850531c7244904c1e. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0300068 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff2508ee18cf90208ad43c4463b289a37415d493a8e16ed2319e87b885d93b5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0300070 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x610c4f28058dc3f884a93872617fa55b110fe161738d6eeec25ff98681cca88e. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0300040 — a six-check JSON result.
รวมฮิต 16 เพลงดัง ตลับทอง
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b47ed86f578f242682ac07e7b7478dcccae1fe3723e3bb94430d7d1b0759e4c. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP9700001 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cfda2805105584b08107fd9004366c654ef4e28aac7653592e64bf17530d262. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP0700103 — a six-check JSON result.
กันตรึม...อินเตอร์
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75a586548f586cb265797924abee610e26a152589f802fe51dca0e9074faba1. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THTOP1200085 — a six-check JSON result.