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 0xbce98e7326c20f89d185d094f4b84e052c9abb8b206cabdca1420d115ae892a5. 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/c594b1d4-1aee-4ae9-b161-e6237f9dd571.json and https://artists.proofprofile.net/proofs/artist/c594b1d4-1aee-4ae9-b161-e6237f9dd571.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 0x6dd52d3315a8357e9df58b0d283799bc75e7107f340abd0653d91e4e9fd0da10. 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/QZK6Q2476747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd52d3315a8357e9df58b0d283799bc75e7107f340abd0653d91e4e9fd0da10. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZK6Q2476747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x069ee8e4010274c2f643391f4e330dcf98f613af52b872c50706f2986626b0ca. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZK6P2403814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e2d8205c0574d413d89d8a731a2cf5ba904d58ae02e463c4c636828590d3711. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/QZK6M2495302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x326c728a2b5c2a4c3bd784aca588b680f3c061f313d356348109e211b79b84c6. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:10:40Z), 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/QZTB82421982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc34c0714acb762d5399c003d683971a04c13e072dfcc8bb41c1a00153c979294. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZTB82422834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b708cc9156d170f6426a5c7d225853d5f65aed94106b87df17166d9b28a07d9. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZTB82422836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53923adaf26e2f434f678267a8885988d3e535f16d086be0b51c1258d2bb563. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T12:54:58Z), 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/QZTB82470442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59cb1d60c459ee406f169995ccb7955cc7049c3bc04d1ed45bae952b7c258e8c. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/QZZ7L2429444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59095811235cf1a8b93123c44cd206a71cfb4f591bcf7fb7c838e133eae6ac6. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZZ7M2499954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12b603cfb06ae10378a366303cc2bbcd0cb93a67ec21a2f8680c33baa92da5a. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/QZZ7N2405296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3cdbf36d9bd6f942708fd7c3bd69d7f19609ab8d93bdf140c47d1ab97e01603. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/QZZ7L2432749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3db11ac687b780ce812ff4eabc4c889b3de10b67a3152e8b048e52100e96ff. 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/QZZ7N2402474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdf531a5eca395b27810626ac9e6258fd2ae286278e610e98c2fbe63ecb9c53f. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:50:00Z), 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/QZZ7N2402480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6333f0af6bbcdde2dc94fcc3c68380b86f49bf15e54013dc6aba7dd568c9f72. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZZ7N2402483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f5fe8bf174d1b83f6d38c0404cc052d8254b25a1134e3d5906ece03a6bbb223. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZZ7L2432763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90cd9656e4d8a7bcf35f0f836acb0873190d065b7635224ada185dbc3e78bdd. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZZ7M2466082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5045455e551c5aa597a09c25dfb710fd40e90ded629dbc2a7d1742f965a7d21. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T04:53:53Z), 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/QZZ7W2476788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2b66ebb2339059afa2c5c7ae497789221417e974f0b49a9f0fda621f3fe90b. 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/QZZ7W2473125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x608111a509ec20361c2a6beb640a37fbf4795f5aabe599c3b2ab8f2f317c16e2. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:07:02Z), 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/QZHN52553539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6959e64def85d98f7506da0538ef7acfda41984538fd15993dc70f50c02f3e81. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZHN52555137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75095abd919e867e3c7375dd39c8cdfe5dfbea9e84d82c938ae2074193dee1aa. 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/QZHN52564252.
THE STRONGEST BATTLEGROUNDS! (Super Slowed)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d80e644080b8d0ff202693fb536a3c4630b0ef75ab64b1a653418accd2b975. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:31:11Z), 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/QZWFH2531565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x186216faf291fd89135b7103517383bf97defa4ce69c1eb58046d91afa2c883b. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T06:43:32Z), 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/QZWFW2559059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e0a1f74b65008181f71faef5ea627adb25e034e19a51978ddb19952deeb8527. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:22:31Z), 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/QZWFW2556827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8023e2f076b1488e8e2e1e283ab784f6a6ae599f91921830e6934702b9c95b4. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T13:20:21Z), 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/QZWFW2556828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb53ccad8fd42953a82968d98bcac261aa8400f638c77bc4089825ff55ba0ad4. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:54:37Z), 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/QZWFW2556829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ef290e7a65f4b0583c0d37bb04df9dfc8427c8668456d70f20ddb64a0380342. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZWFW2556830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x925e127079827d005d75f29dc87311a77494ee8b7d3b902d02cbf52fcd9f0654. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/QZZ7N2582688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18bd3fa25fa424eb3ba2a0d2b8eec1f13aba2bd78685cd45846ca55c719e4d46. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7Q2562364.