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 0x84b3acdb6d9421839901a98b73224f495ae4a65a767e3a50444d8e74597c9c7b. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/855776b2-6887-490e-a7ae-ae6d95d198b8.json and https://artists.proofprofile.net/proofs/artist/855776b2-6887-490e-a7ae-ae6d95d198b8.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 0xb3d49e3a4b14a53d42a6e078f13f735cebe08be46d19fc9cb91494ac62c855e0. 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/GBUQQ1377201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc399d9be123bc1d6cf3570ad3de313e8b24c650fb2872fe1be532413976a87ba. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBUQQ1262106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da2a29552443f2071b3d310c16bc5d50670880a35b92879be3917098c33ff73. 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/GBUQQ1261701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f86e054979e6bb1a8ff2efdca55be710a514e628e5e038fd5109656962783b1. 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/GBUQQ1066501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eca3d2d1fc9226b46c30ef8b7f10aad894820d1aee1ec0c31a7c8354b63a4bb. 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/GBUQQ1262105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x192256a0c95ab6d55285d3bec6ffa3b081d184125e3ad0d0ba8add0d7416b3ab. 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/GBUQQ1262111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa091aa1d0ef390098a27af0cdeb1b9dc9b1f19d21e3e1ba48a525f1a8281be30. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/GBUQQ9782001.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9347f29fe94a6bc48f2b9e73fabb3294a70fc7805ea1da7e0fca308f20b47c8. 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/GB3RT0100657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fda22c207a1276d9583377fb233f58add9c7d4b0c9d718121f4ba5369dd149d. 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/GB4RG1000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf81b4743451ff203f6f8ca641486b54cf02d6ac7eb385d142ec8e4985d972f2a. 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/GB4RG1000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6644c3b38b793618e6e1729246ef5b43496b00b7e64c0d650b609a84e511a8. 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/GB4RG1000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611e3ed8584c02334ee94afe15055df84d1a45307894bfaec5d610a77d6948ff. 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/GB4RG1000004.
Return Of Soho Road (Feat: Parmjit Pammi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c851920abf24f8eb49bd85dec175ad702f105e8727483d9b5b892994664fe89. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/GB4RG1000006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd271ef1e4d441f0f2d4d2a6d1764e129b2340901e402339722aa34f2cdf84032. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/GB4RG1000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c035b5f2f3ef6a1185fba101204a7ed4dd4931886a2906d1ff75131c267b374. 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/GB3RT0100212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x605bf4b7eaf66135d8aec071f057b32cd541054f1ee519c3e3fff8f28c6743f7. 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/GB3RT0100217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f55a458b7d31f9ca611ec4542ed93c7b12d5c91af6f6d6bd63f68a9c9aacb6. 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/GB3RT0100218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc224ae2a8b43dadf857cb45d07cf80519dda22f55a2714e8e60c654f756a69d6. 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/GB3RT0100220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa261826333e2632f499dfc985c343b9820bbe38d6521957563fa76a3751517a7. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/GB3RT0100211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ef076153d8d9e13d95798552a632ef6a2421ff3762630969ba3f6788ff6360. 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/GB3RT0900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72c9c5d0e53ce8d059d41a1b89148e9e4020da6823918b1efa5d04d884b3b2d6. 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/GB3RT0900010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x522e8cb96436526f9de1b626ee6cd31af6e771fc5f9d12bab46690f7aa5c1ed6. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/GB3RT0900011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d10ca98b973cf0fb85407613ce444b3e4c65894cd42cb9d1803d8db99e15c2. 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/GB3RT0100232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2023d45a063968c23261885b104f4472bb96e5f7ba84daa92c059a297ad220c. 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/GB3RT0100235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ed32622c14cf5b967fc8726b8df7e0e56662b64d8d28c6ea3a582391667ab02. 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/GB3RT0100237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x460655e5c9094f1ee188fa2fea2309a2a0a4aaf7902ce41ec9c59f510ca9bb5a. 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/GB3RT0100240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cba201ab408232af7d3bb57d5c166ec58ab44382ae86c55db9ab9f5533d755e. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GB3RT0100231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b86a80e0f19a13698a9fde0e432d3345a69875348fef66cb2d3827404cb453. 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/GBEBS0100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b9ef4101ead7aa19f0efc51e8eaa36c9b3c63b34dc60ecdfc438c69b046696. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/GBEBS0100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1fa87d6517164655afb1948616e261015cb4ac1365b01297492c8ab7592855f. 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/GB3RT0100484.