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 0xb613e6e8ffecb7aaa3084382fe05276a295e854b08fd93deab8c4918312cef8d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/37ef5b0a-cf96-4bad-99cf-4c7f6a783eca.json and https://artists.proofprofile.net/proofs/artist/37ef5b0a-cf96-4bad-99cf-4c7f6a783eca.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 0x9d2f11fb8aa2f483327f575769a67eeb432b70e12abe87876c973017f98c308a. 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/NL8RL2336809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1f6ba56cbfb213b7bf27f4c59b530706f8c600aaf1da86bf2e03843e8867be9. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USA2P2235484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4e9a0a6c7c7a3441f81355a885151450d38002f40862de8dda3d129fecafe8. 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/NL8RL2422113.
Lost in the Rhythm (Update) - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09aceefd4b65167619e31cd88940eb491a90af175a2a199eb0c6eef2608731c6. 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/QZHN51953095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x974407d36321c4b6d68bf6d2096d3714dc08efeee5520d0dd0144e0dc5c0b0f5. 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/QZHN51953096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a4f155a42eede396e8f8a470d4c0d99ca69aad2b22a76ae0acd8bc70131def. 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/USA2P2447070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe0e4d32c8b5bb34c004cace6affc5c20df8f5b862498255f4bc4c0eea61e63e. 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/BEB682400537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b75a4df552c861735b1d9e2abd901bb95f1019c6668bcc6183c9e11c7d9165d. 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/BEB682400354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb684a2386f7a203b0ec84cd7e992d02545941beea5403067367553f356864884. 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/GBKQU2404677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd964800c6acede8ebe34dbcd997c6ae99e523d30091dff965365544783e8de3. 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/GBKQU2382215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f85a1ee4739e5c993683202f65b2718f3841732107f3f2e88ea3e02d83d2321. 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/GBKQU2298985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe178c857b7b42ca17cafd5958a04762b5564a3a7c60a70fb6fc6be1336951952. 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/CA5KR2239833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa10eb671ce148936e0d7e6f28e1bda74910ee699de1a4b87f4917c2dfae7e66. 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/CA5KR2198499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98a8bfbadbf8a9a3159497d73f4b3b0ee1940ff337f701ccf16d20d52a60fe65. 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/GBKQU2181966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffe8b99a16c4e1eab9e393a414e8088eeba16a24189af0f6eaecbc5714c2e422. 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/GBKQU2150196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0729110bef3eaa32af092d4ab51920b29f4f9ce95f039ec4e0b302bd79eaf228. 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/GBKQU2150197.
I Don't Wanna Fall - Cally & J-Trax Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5109a76e5e99b88ae8e740756123e85504c2f7de1862ca3e1e0275f32629fe4. 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/GBKQU2150198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x487f17fe58c269ce2157b101ac3ef05f7f438eca2e5503a33cb6cc972f3281c8. 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/QZNWZ2018568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30193cc651df4924fb98b44037e6f159ab2ac664cdb9b152a709fba4f9a74689. 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/BEB682000486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f13e73ae547d681a525cf24036953952338c108ea9d8ac0f28d7c8a49edbc00. 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/DEMA61902220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc2a35b581df11a0fe1c19d8301d725f785f311ccedf86c97d44da0f808b3f32. 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/GBLV61910329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4be4d4a1fd32a65d5c6f8b770a4324f1cd246fe1447d3f359fee167fbf3255ae. 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/CH6541880765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376385bd4338cbe718708390bc95f6a3139a9a44581e230fdbc0cdcf6fd2f05c. 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/GBACW1700835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac9fcc7558411a3860d0d6f7936a0f2034c81ec6941a04f81e5684442f290e93. 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/GBLV61618341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874925bdebe1e62d1bbe50ac87574328863af3ac0f6d93f629d58e257b6b09fd. 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/GBACW1600019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d2f11fb8aa2f483327f575769a67eeb432b70e12abe87876c973017f98c308a. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/NL8RL2336809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbedf3bb5068030a49d3d4191fd1f663a7e146ddbcd7fbb73254d80d762434613. 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/GBKQU2031299.