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 0x3977bf547b853def6e6cbc33a581ca5055770e03f22227854c672684f6c365d6. 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/a1075614-cdd7-4e92-a51b-6a9489476e7e.json and https://artists.proofprofile.net/proofs/artist/a1075614-cdd7-4e92-a51b-6a9489476e7e.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 0x5c41ce9d58698435628b298dfe23bd282a4df2735d2ab6ba68518c6079bf3383. 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/GBNRN1790968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43ac86154166f687f1ed72e8c83181804f2a2bb7f2376e62a02306a4cafd72db. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBNRN1790974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43672978e51168c4c2f80cedc771eb1f6e9d742bff6b24be61328f778e889c14. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/GBNRN1791263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ffaf2f4abcf67272a1fd79b523518fd198d11f0ee93bda3d44dede11bcaf291. 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/GBNRN1791261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4667599c604b61d1fda76a1e728a827605c036b229a0a083db304c406db34be9. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/GBNRN1791266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24b028a0c020373bb3894ac1ad87718927c37244748027fbf29476457fd0b0b8. 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/GBNRN1791267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e55902e707c89d8853d087dac32958072b06fc7fbb0045a36a37afb6cde63fb. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/GBNRN1791269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f109f81b5cb37a2b763ef00078cf8dcbebcf547a154a10eebbfbb65afd25541. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/FRX621045050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x257707ce58c544d4be797b3b34fc118effc546440a09ee0e142fd1c44dfe8bdf. 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/FRX621045060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76dbd62dcd3c2d0847ab98c96bb93a97625a736074ed47d1f3dfea45562c4765. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:32:11Z), 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/FRX621045090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bc6e08cd3927d9758cd84ee63d15e1a825b73ae8c4b532538b8465d50079bdd. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/FRX621045070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x430790d552c51473408f344f9d00b85701a8f7b2f0446a5b506fd54355e4de44. 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/FRX621045080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e656a52c49840b0bcf280bdb40b7c613c9673cfeef9f578e7660c000b56182c. 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/FRX621386020.
Pourquoi me quitter? (feat. Philippe Monteiro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb594611878d750ca1a41d62bd7f3dcc488057a90ef851ca830b32499fefd1b2f. 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/FRX621386070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e656a52c49840b0bcf280bdb40b7c613c9673cfeef9f578e7660c000b56182c. 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/FRX621386020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb594611878d750ca1a41d62bd7f3dcc488057a90ef851ca830b32499fefd1b2f. 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/FRX621386070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39410746aed0f79955cb9ccdddf7f4f4f39eec2788daa08a67ddd9826ba5b9ca. 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/FRX621386080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b65e99b5459f35aee8247c7296794acd62a2de105a71bb5115d239cbbbe6420. 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/FRX621386100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3918f9c5ab5dd1a6014f281b6a2a73abc4b7ce6d247d2da429f5dd504e2ba780. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/BE8JE2010138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46abf4e3d53ea81f24c0fde664a837eb3b7e2db500a683fba20c694087dede54. 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/FRX622132020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x808db61b9feaec4a43c3e3735631214961262587a26b26fb4ccf3d25c19b95e5. 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/FRX622132030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca597e716738eeb3e0eb01b1071f5e42c297db3d3a4dec2aa515532ede59edd6. Chain 2 (Bitcoin): anchored in block 957541 (2026-07-11T08:23:18Z), 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/FRX622132040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11ee08d06820c77b381f66438dbf4aea875d4bc53afb29435e5f1828dd4febc. 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/FRX622132070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e656a52c49840b0bcf280bdb40b7c613c9673cfeef9f578e7660c000b56182c. 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/FRX621386020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb594611878d750ca1a41d62bd7f3dcc488057a90ef851ca830b32499fefd1b2f. 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/FRX621386070.