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 0x9f81e0885d406bbe92bb1d0189f119136bf38e4d1a6eb202258d7227c63a872c. 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/ae8b02ca-e257-402b-853b-abca4b669b2b.json and https://artists.proofprofile.net/proofs/artist/ae8b02ca-e257-402b-853b-abca4b669b2b.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 0x5e4d11fda93f5f1b90e073ec58f30e95f9946cd3036cbddc192a72f356cf17be. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T16:00:55Z), 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/QZFYX2272461.
i don't think you'll be needing those coats anymore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ad11b10fb462cf58247543991050c319aaf191bc47ac1508d3e8bb4ae325ca. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZFZ42260997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78abb8a444596a710d7a15a2536dc88ea88e45f5b0791e81a088f7f8dce0af8c. 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/QZFZ72235050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c39e0b2e535cccb99b0079370d17637a9674ef3d76bd523c77ab7e2114550f4. 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/QZDA52276698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950a8f19cf09550798543d1d824098362e4e9b133ab245037bc6ff8ecbdfb0cd. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA72259598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6538f1117f4bf37241c81299fabdb3d637a0cf935a6731bc46f3bf217cbc758. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/QZK6L2297238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b6a543580e4cb70f48511ca99d0644f1e9e5f7f7e0cc7afe9cf217942df03e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZNWV2229817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x518d18d3c36cd78e976b6f1fa7d07c54edd728fb28a8a7c157cea9fd5ac16525. 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/USANG2248398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75abda425a4501f82b0a3737829795ba9ad631951121ea2a8095ea08f2417da6. 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/FXQ892300025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa96b2dcdc826adc220070545138c50605e3af60ad7a69899895c9c716af47740. 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/FR2X42384438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf99033929aea3f44c89771e45710218f2fda68266fd9d8c87ff25f45076ee47f. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/QZHNA2326013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82bb1b1c585f0e9b24b30548181afb18ad49ebaeefb9c26ca647950bb35204ca. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QM3DF2203275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x779d90e372d252bd69ceec1e704aadd2765a55ff92c4e269d2db31f0db165447. 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/QZRP52322550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9eacf12b8330f1ad88fcb0fa0824df857297c190fca0750a708cb6361073c20. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QM3DF2272792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x933e894c3bdfe92ef7fd4f704b01dca032b1c92405b2909804a35edf28686d53. 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/QM3DF2297646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dbf4eff4c67e5292c7e7879310e847411320b18eca3a11b3c410c01d7f51f75. 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/QM3DF2268766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeb9d6a83525024180c453a30ba36890292a6090ee32e7aa185ca891876493b7. 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/QMANG2249605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fb7526d133b43b098047a5d5ac33ca3a9e4578633e5713f8bbc735ca6c2094d. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QMANG2244076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc60c83b512db82e401ef6f651b65a301136440419b1be5546e0c8ce4d92c339c. Chain 2 (Bitcoin): anchored in block 958644 (2026-07-19T02:21:25Z), 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/QZWFJ2395505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbcafcf7056b4a9f698ffd7bfae0b7b31e1223bcbbd223bed4d586965b6ba04d. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T18:03:00Z), 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/CAQOI2305879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843ebd885d866edd092e79e084e1c64c2c4cff264c3a3c228857d6bca3330bd4. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/US3DF2407714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b20abfbe627b4496490423951ee1cff4831ee735ec2a37998bdd160402b0bee. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/US3DF2425220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2566b1ce6b87d54e5a1fc913a201b3e744d057f58616a69024f9590f78e4d2a4. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/US3DF2431244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc930d934cc9cce9f03a85d04550296c7192f2aef802d9a64dcb077c20105a50a. 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/US3DF2455918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d54fd453f4024335768cffc196052629045b74a9fa76c083946b38556956f22. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:49:02Z), 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/USANG2444989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79a86023d65cd18daa6b7e759f4ea422cb0f5e03f17cc57ac642b0f98f6664a4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USANG2458132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7a80700f0e5743817fb14968449d8a68878d6ebceaee6c843ae3b1c43eed2a. 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/USANG2444653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d0af750b971b5cd74815943635f33eb55583d327451c9c96a58d9973eceb30. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T12:02:10Z), 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/USANG2468195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38280ee2620166d3c40807800685be0c967b17e0d81d966b97f6de0a2961aef8. 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/UKZGC2307394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b20abfbe627b4496490423951ee1cff4831ee735ec2a37998bdd160402b0bee. 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/US3DF2425220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd94c1fae26240997b01783feb353272342decfcd6b07d46b70c805e4e5cb81b. 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/UKZGC2408348.