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 0x5a53114e7ffac614ba1d9aa8addfcb07afd7fa2ab8b910b5d86ee59f6b841a79. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0846941c-36db-46f8-86c9-77981a098d54.json and https://artists.proofprofile.net/proofs/artist/0846941c-36db-46f8-86c9-77981a098d54.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 0x43e2f050353e28c6464032804e14b8a8d8d3549c46cb82c641dad612faead6b5. 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/GB8KE2150313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb304ef716b2bcbc404dd3950b0e3bd983d2acd65f6a1ceeb40b9e474d8349d11. 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/GB8KE2150314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586a51c991156a318396f0bd0587961ae52d92c75c01b7af57c959e7104c9d24. 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/USLZJ1950252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb5a02ae7ef58fc034032b6d835394142f672b281d279c8fe6608603e931774c. 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/NLCK41057097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d85cb5c9ee34ffdb90e5f19331a0524ed2288f268072c55ac15a94bbfea319c. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/NLCK41057096.
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 0x2e943775ed2778b73519be5b490e8b07c1920b7c486e5a72d9d19012f197af79. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLCK41057098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644875eb444df633a9ce42a7953adc0ab16df5bb3d8a28b3ab6f1f3832be5f25. 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/GB8KE2400529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f06cf6e70a430bd6c6c6d92ff47855988f2e999501a10d4dcac645c79e07b76. 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/GB8KE2204921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcdf7eddab906bd060a36f1309333bc5fd4763ca9f128fbb91692e51970f6ce2. 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/NLCK42225226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc16e54cf033846fa40957ce6dfb11add650f897112c7f4162aae18d00b3673e2. 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/NLCK42225225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d7bc6feef39d189d24eea385a69bb52a0f5241ae85592a28ba0c939186d98ba. 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/GBKQU2253150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33615a4b8b57830b11fe0be6a3971615a0f079fb98bd495cacaaef680c3a3a03. 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/GBKQU2253151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabfb6b80af321f01e98b1d1a75e80b2c2e04c41f2c927ff3b6bc2ce0f66eded. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GB8KE2159796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d3488c17e4e399395def8b177e4631555257a308468f3841e4aa20d5d2be703. 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/GB8KE2056164.
STFU - Shadow Sect & Hallucinator VIP Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773bf4df244ab4473e00e06af71cf56d3a49315d0981580fd8504b139f6040c0. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/NLCK41078139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dd7ba2280024f167a3237aeea865c3ddafb46373e60d55ded0501c691fe2dbe. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/NLCK41078138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110c5334e165ecf57436b81a162e47d9ef6059c6f1e9cf360b226546738ddd0c. 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/NLCK41068965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0edb70c3e8b43a1b7cd9f48326b395f57a1e393ecf43a2764bcd8663ff3a7a. 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/NLCK41068964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163fa827bacf6797674541cf2f38e5311fe4f8347ec857e9aca95a113b5ffe20. 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/NLCK41054940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b83008f2cb3f05c64c58d6377892d96827203155a79da4fd1ef69dbb50fc647. 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/NLCK41054941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55931e90102ae072f50be756dfd17b0e81da523a0e5e8b3b683df636db953749. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLCK41054939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a80105c237f3bde9da09b8e4993771354c659221e66bfc0182546f46c94c8cc. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZ5FN1925789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83bb5029bd09b97d79810fdef74efae069b081a4d7e6b0d53de1bb9f54be0354. 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/QZ5FN1925790.