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 0x1d68f0ad6f8d80bfbc6d1c1eb35641625bb13bb97db394ce0780ee3a68373d97. 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/95bb5746-b6b3-4068-ae7d-345db29c9390.json and https://artists.proofprofile.net/proofs/artist/95bb5746-b6b3-4068-ae7d-345db29c9390.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 0x077bb6d359181d1bbb10be4e92d8b5a672bcbe4f1bdd6937efa0bc66dda58b05. 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/USQY51188978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a756ce8962a5c6a8e1624dc79a36e900603a1f37ec2eb9b14c56f1c6b965373. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USQY51242375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x742f6899c73ad32966f895d027aa0ae0d1f91ff1d039deb5be3381f900f16bfe. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/GBBYB1502313.
Inside Your Head (Shadow Chronicles Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a315b34554b64cfdea16fc73432899df23c99231a3344a7aa7e144fe34408c2. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/USA2P2000075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb488e1db7c5604bb8805d4c727de66e1da6d4df5579aa099e45e7bdbf578cc1. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/UKR6V2080412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf034e7a86560cdf5dbf2b6331968dcbd0d950a63e62810f394e7f3a9b76a7c6d. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/UKR6V2080416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81eda96ae68da57adc2c59e8920d1ebb77f8178272b68e4839d5784b74ac29ed. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:39:32Z), 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/QZKWA2323181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaad78d409b94f38b8d176d8a73f1ae01c5956819b8126364f6fffe8ae97e90d. 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/DEL712000202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b2a0347943319c57e521259d840455c3334cab62e132a6b3c0cf9fef11e7e1. 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/DKZVA1861848.
The Gallery - 18 Years Mixed By Judge Jules, Simon Patterson & Gavyn Mytchel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82a55462609e492d9242293992cfb109e3f149e9e9e823ad88ac56361bf9bcd. 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/GBKQU1372396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2f0c4db9670dd4ea606f2c358a18f11f33e7b8fba970a3468ec2413630bef52. 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/DKZVA1260096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4bb98de4c51ab4d2d4a2cd77c1e0ea492239ab504acf4db5336faccfdca7a1. 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/ARQIW2501776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6487e27de8d75b8835aa4dd05079667a5816801b556f8e77a58658a5f01bac9b. 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/ARQIW2501778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc26ae04487942c261d51dd3e358ff62b51ec11ae20b12c4c1af001da0c4397. 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/ARQIW2501779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca2fbf9e184eba2ff6680d329a25594e9ab7dfe5e350151f39de6406bb38ee06. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:47:19Z), 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/ARQIW2501777.
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
Inside Your Head - Shadow Chronicles Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c71799a23da5df9b0f1ea815b4549d02f6cfdb59d7d312cb3005b04ac82b83f. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/DKZVA1962451.