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 0xf269e841514dfb819518c2975360eea431e1a000b7ac6c24e2c13c6c26321375. 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/50176b0c-7932-4151-9afb-defebe42e2a4.json and https://artists.proofprofile.net/proofs/artist/50176b0c-7932-4151-9afb-defebe42e2a4.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 0xeef9175a63f12e8402a81f6749daf01ab8490a7b060ee2a023655c12f474ffd3. 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/FR2X41606839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48c3bcacfb20dbb3c13bee3cee29aca8cb64aaba2e270016d0386ee62b4d3bda. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/FR2X41606840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ba2dc50747aa7fd9a096aae3bf5fc4e465ed7e2f5f5274114aa2a6dff5c3d0. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/FR2X41606842.
Best of Silence des Mosquées (3 premiers albums)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebff7b1fd4cc3f5311cdb1dfaf0da7b77a1539a30efe41a5886f46f755933068. 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/TCABZ1416028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81e1e80d8cc0dea7cddafae72a2bb0885e7f6c7aacc5845fe4375f2647c2d199. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:20:46Z), 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/TCABZ1416029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf28612c34ff81a30094f40df0a113fdeaeb859efdd06965d4f6b28f759c4470. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/TCABZ1416048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba67de18c63c42db4e693f34db3f217447d1b71dec5d18ffa3bc338a0a5fd9a2. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:44:23Z), 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/TCABZ1416049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x197d013de9f754bc36719e438f51ebb9197f01c4e61f8704cc9a76a331de5186. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/TCABZ1416050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9194c65a928317d6308ea0609f1ec8a45296ea3777af1cd0d24530eb5c45a0ce. 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/TCABZ1416778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea0a6567d464d308013ab124d5c07a3daec3e75ec0075787c29236c31a1c4efd. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/TCABZ1416779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f563f6bff5f3c7321247a22df451eec3685a620abae544f055d38e0672de6f6. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/TCABZ1416780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfedd11861e013d7d53a655a502393937dd553491dc6195e88b6bddf16bceba7d. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:36:00Z), 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/TCABZ1416783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c27f7ab0a0b4f87d889246ec3888105ff44b08f4923668782fb29d097fd147f. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:25:04Z), 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/TCABZ1416784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa20a88bd112ba77bb88c7fc48a17ec16c65314ba7aeae539602043833a01e581. 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/TCABZ1416680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016ccd8f380476a8d779e7909407e88d0e12ea1ce9e570e0c7ba3f997cfd950f. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:59:29Z), 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/TCABZ1416682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ad0c26205cffae31f5ca901487f1719fb47e7be82b97f118e12f861fd63156. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/TCABZ1416684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64d975703a39e1ab29e0627e642fdd84c5a241160bef5634aa04f0a834206ef4. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T10:44:13Z), 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/TCABZ1416685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x214f94dbfb3dd645e8372aca2282a2ba6fc33e4bf081e39795c4545c6c8cf2d2. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:51:31Z), 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/TCABZ1416689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc835db824dcf4ac965b1803969cc68ae5d59c3e436e6ecdc11464c48fc1c1285. 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/TCABZ1416690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7430d18b966e483e04e0b93fb479a43e801054502fac86f58174b096f59d1db4. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/FRX201959021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cbad513ee05191b08f2369493a5faac5968e3cec1d78b35f50c6bff7cda25da. 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/FR10S2014562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a62a46b806ab2da1a8306e79db410be46327ab42e6fffc2dc153dcde613305. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/FR59R2026694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc2a5aedfcf60c1a2fee3a1c60fd1a3ce01fba5a62e82853435a24bfa333644. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:27:12Z), 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/FR9W12141357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97e632113c36bba477ffdc208cbdc6a75d1aeaaf222c4b9b083daa098c79b60. 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/FR9W12213248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39b724c59a261f86c304e169459cea88afa7d9ea3ce0811c2255b0a129e03cd2. 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/FR96X2358108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a35009b572016be9a22d1ca00e8723440c36972be58413607e6bc8031dc3d66. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/DGA0L2371542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1cb58771ef0c2f95914e63510558911963530729a0e7d109fd39dea38fab9ba. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:55:28Z), 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/FR96X2428183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f94aee850ce0b0eb490dabff90184e607ed544573bcd940975c7a549e0178e7. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/FR96X2473702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8cedbf6b65a5ec7c237d1dcbd1c5c5c4158ec036a6c3edd3e0d6465de798359. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/FRX202403572.