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 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 0xcb895413a4835f459fb81bf336648265bfbd92c27d699a45f1769e752ada0a2e. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f93acddf-7b4e-457c-b47e-ca68a278824d.json and https://artists.proofprofile.net/proofs/artist/f93acddf-7b4e-457c-b47e-ca68a278824d.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 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 0x758b7d7698d977fd84ab039fecb9a523f5dd51f9c74a1eccc736cd10b4e77047. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/TCACJ1595534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da0f0dd1398843902127f0f44689f80fe8c803a9d0e7bbca26317d66eccaeec. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/TCACJ1596708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70aaba86c403ed873ab39176544eb679099b1fc0fc128d875bea98b7058ae690. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/TCACJ1596709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45cf5e9f53f5aa93312126d98f54879edfa1e7d783532dba0b5a8391dac9c1c9. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/TCACJ1596722.
The New World Order (feat. Dan Watson & Jim Martin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6492b865f2eb4779f5d52e49fda2e460c381d326cba3364cea0f1a9018917167. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/TCACJ1596726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d1835e95c0c487afa90aeeda99a5a0cc7aa9c239fc4d28d6520f1d8b6a289b0. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/TCACJ1596740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51f00de6bb09c909cdb3dd661cf1b22f4658430830314390d5a9680f5b2723f4. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/TCACJ1596745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda83c8b3257cc1c860e0dee08a282e68b5ad80434cd6281bcd70cffd7af62637. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/TCACJ1596746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8fbc302d7dcaf5e40fcfd204af688e3594317ed1f601156a2b71ba0cfac63f7. 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/TCACJ1563335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84ec2b7afc5f183cfbd5a50e2273af168c46aa9b367206c3dd451bd4b0202f3f. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/TCACJ1562181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70584ff54a89fa9a22990ed491d4956247f94a206107a688c6ed2671c4661ed0. 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/TCACJ1562185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x461305652410e10325914c8c367e1cd32877bbb401881ac2779f321a1ed23bfe. 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/TCACJ1562188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec03628ebb21766dc5702f36bde8a97bb16c6bb8dada9f7f6648b55b692d3713. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/TCACJ1562190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae85faa1735e530fdf910d35a1428019b31d110aae4b797a63899d6d807c6b79. 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/TCACJ1562192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b3cb54da9b0ae4fb1d36b65a132f5807c844f4ba37c58ddbea95644e80a85c7. 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/TCACJ1562195.