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 0xccea12809917c39960f560e9c58276b3f4c13ce99453c6620f98ac620629846a. 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/fd131522-446c-4ba1-8259-0a4ab8f7d7ca.json and https://artists.proofprofile.net/proofs/artist/fd131522-446c-4ba1-8259-0a4ab8f7d7ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pippa (Original Motion Picture Soundtrack)
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 0xe696eaf587555af77864f7d7a267e9ba522e11cad032c15042a1726b1b5f136f. 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/INZ031413947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33373652eee298572769f2819c0639afe4b01cb4f08f3ee6d383bb34551b2cc9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/INZ031413948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a69b2c82ac4b4fb075e4d0276ebe0fcc051a9292c3d3442b79590f873d7e96c. 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/INZ031413949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5ba8a18380fe8a9404ec31d7af23ab2654281c95dbb2f9e93f2ee58862aba7f. 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/INZ031413950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde712212ee6aa3c2c7e553d40a93b1c4f95d63deaa91525a988de329e99cbc45. 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/INZ031413951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04eb1c63be5663f3e050866901957fc0173b62827366fb64cd67e07926322be. 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/INZ031413991.
O Raare Raare Sayyare (From "Gorre Puranam")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e8ec566fce78217761fedad3aa7c72d1ce6f010e4ace97b123de79f5e536650. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/INUM72400531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9957eb9a9fe27fe063628eb306dabed612f992946770292e53f56186b385c232. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T15:23:43Z), 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/QM6N22440524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x837c66ba2bd324c4f3523e50fb82daf88821f96ca3de5322c699f3e4bc1c7802. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INH102313691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44739ca7d985932aacc0d5013c7896dd5a2cefd785a26fad1cc77ac0df3993da. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:31:42Z), 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/INH102313692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf99ad4f0276dbbd79f1552e5022b5ed2b8d5fcdf86aac7b9f60e3935a6ee7301. 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/INH102313693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcf379446be8643a411d3d9bd9cac47b677a0298b1f4eeec980089c46b06ab97. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:28:02Z), 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/INH102313695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a149c312c01caece4354058f249c89caa3bb3b679da45b9f1f0f8a61bde23e. 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/INH102313694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc08cf73f678262dfe2e5a7fcbe99fe97d105c3b9a839e8005e6b0a5c9a0944bc. 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/INS172220037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a7169229e149f431fc8a56cff8f823780dcc1653981eec357d869aaa8ef92d. 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/USHM22205960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12b43d1e180cdf86213a3c2fdea6fe1db7596150cf5c7b433aaa803907186e3. 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/USCGH2278671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37dd70dbb160606872bf42257eab608bc3a295ec522795a4fe014e3633cd7274. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-21T23:38:56Z), 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/INO132102376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3832039415b20cf56ebcc03ee4d895488fa84904ae5315b87a0e63ce482558ed. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42156908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd07f12e1b9fbb434a7003052e2c31c588f46f0fcdd2cc8cee18dc1e7334ab4d3. 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/USX9P2059530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18a2b36028afd6b7821df13ff669401c5ca9da01d422b47e0ced9b2152e3344e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USX9P2059531.
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 0x69ff0ec4c7eee1c1b105d7d220ba2611e7e52ce463b5968abbe4eef557eb023e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/USX9P2059532.
Vendhu Thanindhathu Kaadu (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcac2fd232f1661b011243d66ba4555d4699029d6448a7eb143f40ab2ec790c6b. 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/INT202203167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b21b8bc9648da44bbc2002813872230354a5e0a103d9fad8c2250f18a4543c4. 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/INT202203168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d701718e452aad2c61f1cfcaad0b06ca5ed03a20034dd2519e68e79a1d4017. 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/INT202203169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef34d17cc7e2aac8805fe463cec3a6074716c9f41cf4759eeda51a06cb1c9b7d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/INT202203170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e0f51d61aa9fb1abb6969040bac453bc7c772222a93df2987e8cfe196dae21. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/INT202203171.
Cobra (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ed2f0fb8ba1f7f4ea069f8ec6f06272c9bdd084ab28491d32b7b94fdbf92ff. 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/INS172002087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3370810e90fd0044ec6b52710e93b0b4cd67c3513323633235ab83446b65c58e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/INS172201452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2175c39b19e27e934bd00661cfa56d3972b09bfc5f77ac672a72d67f691ed44f. 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/INS172203057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3a78cdd891f616acdb8622101a7f22c840043f43c16eb9c07d9556233d1e4f. 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/INS172203697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x734f06ebdc8fa0dea4097170c06a4c89f627b34f48f09ae072b665d35af4dcb4. 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/INS172203698.
The Life Of Muthu (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d5b3727ef22883a5a8b63422e364751d8d326377f1b3cda28ff4b8b44da8aa5. 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/INT202203203.
99 Songs (Telugu) [Original Motion Picture Soundtrack]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663143c38b855090c40b7c4e98accd6344ce609bb4daaca9987842f7103560bd. 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/INS172101480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4eb9b4a1968c56af5dce9ac8db356b1f032257cfee9a12f0ec0042ce56adb1. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/INS172101482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d6ab472e1e9d5dfa7c7a4384d0e9afa2a8cec55d754408d37864e0f8a4d2de3. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/INS172101485.
99 Songs (Tamil) [Original Motion Picture Soundtrack]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b48e9410e7bc5da964f19fca861e74e5fe6fef6bacbe193cdfd5d472b2ff99b. 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/INS172101460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41afd8bba8e588948f923820c948d90786e3d585238dd90e4c98ce30e1c84f10. 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/INS172101464.
99 Songs (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8675a6a46739308e5fe17bd82c0a51cbb71555ca8b72230fbbf31271af8b02b6. 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/INS172000828.