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 0xc889e272669249a274b6d3b7df07fba0d127154566988aceb66c8f7006baaa2c. 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/6e2ea3b0-4d20-4177-8308-55758d9e78c3.json and https://artists.proofprofile.net/proofs/artist/6e2ea3b0-4d20-4177-8308-55758d9e78c3.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 0xa04b420fffe9233cbad6dfc616bb305a6df16eee59f9a5dd0f906ebfe5602217. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QM4DW1730488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72073e62cd8d36c5956a703d1585863f8a65045f507e6d1dc0584b69c83e60d7. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:10:36Z), 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/QM4DW1730489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc970ada1f2e74abddd938265acd01cf47f5902c8a4103df0688231535438833b. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:40:25Z), 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/QM4DW1730491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd1b6d72fbc8381f77591c357cd2f8330c2c6841765497ae1fcf6a3cd689a66. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4DW1730495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd8193d6be8414acc230855d031146ff06aa5f18861db4433e12b78fcbe65e84. Chain 2 (Bitcoin): anchored in block 957556 (2026-07-11T11:14:07Z), 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/QM4DW1730264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01d37bc9e9d734d032bfa81caabf38fd83d242ae5567dab656bd3adb0d4b5501. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:19:41Z), 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/QM4DW1730265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5212fc3b15a73ab809173e2079b48c80638c01846c6c5296dfc17654abc5b3b. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:59:30Z), 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/QM4DW1730266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d8358c495522db30fdab090e4701f202a4d27a4fcefcb903d494e23d84d5fc9. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:19:50Z), 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/QM4DW1730267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb7cd7b661e41a25525cd07af5241bbde41057c48aa580c4e322ba8db0c17aa6. Chain 2 (Bitcoin): anchored in block 957554 (2026-07-11T10:39:45Z), 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/QM4DW1730269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9f33b4a3079f4c709cd268c3222981a27676c4d94e5af38c9fce346666d5a5. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QM4DW1730273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d11c6f1b0ce58551a07030e4d3ac9049256c4dfa548c376791220ae4fa1b43. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QM4DW1730274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b9c536477e58ddb57b342ae5e89c6f37559a96b27c26d4a64300d7c203853a6. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QM4DW1730277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6954244e641aec45df4763e014a7bfb4bf4c1f88ed7cb78688c8ac665053f9e. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QM4DW1730279.
Cantando e Desfrutando da Bíblia Sagrada
O Cordeiro que Foi Morto é o Leão Que Hoje Vive
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d71f6b25126337d9c65683906eeb914b5499016b558dbc6425f39cccade6450. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/QZ9JZ1730892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd79d8ecb282aa3be82bc631e3e347d6edbcd36e8b3c133c927082c63dc7c1bf7. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T10:55:44Z), 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/QZ9JZ1730893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a343adbfb5ebba801b3cdda0853770cad7f2fadf249067e66c064aa5845a301. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/QZ9JZ1730894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6030a1f9861d68da2d70e980dbdf35aa9820165b164639e8167569ebe408399c. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZ9JZ1730896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06899cc3dd4aeb9d9055900c795b444d53f85e7239034e4636abdf324042c017. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ9JZ1730899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2ceb23456050d653192617e463e7555ed7553e185386ab7b9908c45f5d69001. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/QZ9JZ1730900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6c778ea7ca7f277ae18c6555e379e00c88fb9219c1e5d0cc2647f3146b2fdf5. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/QZ9JZ1730901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x112007b0b3e613a0c5904ee612ed43448889dfe765f894e3d2fef8f8e76632ea. 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/QZ9JZ1730909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a1413247cc762218df4ce3198035925991e24783a3b4b6515c3fd070bb017bd. 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/QZ9JZ1730910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ac6fc6151a24b093d24e2032a850fe6d4332893c0d4f02d33deea13366db14. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32054033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1874c3e7aa7ac0468f6fec0dbcc986856ef12fc2bda69c089150503f25488f25. Chain 2 (Bitcoin): anchored in block 958582 (2026-07-18T16:47:25Z), 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/QZHN32054037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf4eab391418b43bf84f63956d5e83434ef06194e72e1ee9936ae5b98c79e04d. 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/QZHN32054041.