1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x234c981e86a5da095b52f9e211d938495a1b52ea56a126e663ea1bf73c3fcc85. 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/2c6e4cd1-8fca-42d9-986e-8c2b709e10da.json and https://artists.proofprofile.net/proofs/artist/2c6e4cd1-8fca-42d9-986e-8c2b709e10da.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 → block OTSBitcoinBlock must exist at that height 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 0x84a671c5600a15b2d20a600f02bd4dede6bb8ff5cfd67c2918aadfb664683341. 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/QM24S2308694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a839e8b25c9a74c81853dccd6399b4e280c62d3f461f3967a0c36739ddb1a4. 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/QM24S2402357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd1cf548cb6d44b7faf8af010d661de0e0f52f825a7345d423ec3535679a8943. 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/QM24S2402356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0838cca4aa2a45b5a19a7c246d2cfbc07b619aeeb8daf165a803f210a487bd. 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/QM24S2404963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a1389b94ba4fbdbbfedc2fa20b9b7412b8f34ddb5e895debad790faa1a9eecc. 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/QM24S2404967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8778773de507376b7a550e4c21ac8186e55d62a47f926ba6dabf9eac73eee376. 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/QM24S2404964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dfa36e484f7d6b759f650e2c6da25604cfed1005bdc856de0d1493d21ab16c1. 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/QM24S2404965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611f8b018120edc8265a10e77468e0813a91cde0f8b789788cb1a3399b76a6e7. 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/QM24S2405005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16829b43d977ca1e585afb9d7149ffb5523c920a014861ffb0b1497ecd69d902. 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/QM24S2404966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x258b641bbb4535eb79a2c70e6a095af4ab517cc4b939d3080b508ec14fad4866. 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/QM24S2405004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27f7145ce82783c575fda512635de44dfce4edfc604c068bc4e1314d8665a191. 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/QM24S2405003.
I SAW FOUR TET AT THE HEALTH FOOD STORE!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe63f5facd3b8fd6e3b1a25edf8ce6b514bfc7e611fa977715d36cbeb13358d39. 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/QM24S2404962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6def87970b961dbce57fa90e47a76978f2b4af5f5ea8355eac38844f4e4eec44. 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/QM24S2404961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d03b6beeb644d88e44d59d36e1e46bd7cad347d29c01e14eed0f05297b28fd. 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/QM24S2404968.
Too Many Ice Cream Shops For One Small Town
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b54abb52c93d3ada7b886de5073a01cc2f429b1b0433a5179be14e5bdabff9. 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/QM24S2405002.
love is a hot air balloon burning to the ground
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd9df82f21da620865db2af943a9691f800166f308dc973782cb401b65cafd7. 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/USANG2093319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x800ced90fb16834e0f33dec39b7024c4cd6f97f073261d55ad658239e52fe77f. 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/US3DF2051639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9d5dc98164426bd2c69eb28b96fc7652de27820a8ff61af4949bd65e103167. 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/QM24S2500701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d03b6beeb644d88e44d59d36e1e46bd7cad347d29c01e14eed0f05297b28fd. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/QM24S2404968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a1389b94ba4fbdbbfedc2fa20b9b7412b8f34ddb5e895debad790faa1a9eecc. 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/QM24S2404967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16829b43d977ca1e585afb9d7149ffb5523c920a014861ffb0b1497ecd69d902. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM24S2404966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa62800109efe6f4ac4ee8ca942f482cf49aeebfb5eb53a6ebb7e78a8c50a5da2. 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/QM24S2406613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8778773de507376b7a550e4c21ac8186e55d62a47f926ba6dabf9eac73eee376. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QM24S2404964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c03e28e204dc3d9e549480c1794300f4ff148f45578c0e8b13a67d3115c3948. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM24S2405646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0838cca4aa2a45b5a19a7c246d2cfbc07b619aeeb8daf165a803f210a487bd. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QM24S2404963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe63f5facd3b8fd6e3b1a25edf8ce6b514bfc7e611fa977715d36cbeb13358d39. 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/QM24S2404962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6def87970b961dbce57fa90e47a76978f2b4af5f5ea8355eac38844f4e4eec44. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/QM24S2404961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8539601c2452592db968d6cc18256eaaf8736af93c9b249f726008f3a044dd. 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/QM24S2402522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa43b27336ae4a0104c2492d3501526b90db5500c2749b99b8dc00f22013c027f. 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/QM24S2400608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd37bb6aea23daf090005259af495c5c06a8059b02a9d2a26479704c663a7e0. 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/QM24S2400817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61907639a6a18fbe421e9f336630f054b05d0a7627a346848f60d56334c989ba. 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/QM24S2400607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde68fa74f45516c226c10d463612f1a4018358833e41ff03a7620ebdb692667. 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/QM24S2400155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef0f7249326efa05cdfaa32523576d79343c8032264871a897c33365d1b7e1c5. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QM24S2307190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef0f7249326efa05cdfaa32523576d79343c8032264871a897c33365d1b7e1c5. 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/QM24S2307190.