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 0xf420dba4fd66ffa3cad635ecb7ada750a69fa7265b414a4eb631a116f05dcc09. 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/3ea3116f-0250-421d-acdb-e6004418b448.json and https://artists.proofprofile.net/proofs/artist/3ea3116f-0250-421d-acdb-e6004418b448.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Suga [From “Star (Season 1)" Soundtrack]
Suga - From “Star (Season 1)" Soundtrack
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 0x5a1433d38d6e1f3ccc693dec33f9f946540dfcfc6df9b0f4621464a9e0cca0c6. 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/USUG11700449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fe16df4227c5d228973065fa04aedb3a303012135aa52bb321d87ee804b2eb9. 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/USUG11802355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1161466416ef14979fbdffcc0481dc315c2697c2d9214b9ef048f008c5edd948. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USUG11802185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20f2796155c36c8afe94ebb20a8c7f6558edb30eb4ec3aede752247d1630476d. 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/USUG11800604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf1d6fe14b9dcae69ca78e854f00dd018fad5157b7131ecd565efd1ec622f26. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG11901150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf39bfa14ba59c1f41c5cd6c998f48154b6596612987887af8c4d9da66f58eedf. 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/USUG11802572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c0d471b3321363b0d30686e83308f5e27418ef04f15f8c36d44ed44af01ad79. 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/USUG11901147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1584141bda370993079e2e7c62935439feb1f65a8c87c186a0dbb6218bfe4011. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG11802314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9389b9f1844e384a73e35ae4c6c8d9afd0bc0c6c38e9f006e71d8d4ea35583f3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUG11900371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e8d6849ef5df68809fe67ce734ba402de38ec970e9163c3c8ca9774fd2d893. 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/USUG11802031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa079f44a65abdf1dd6c909a2cf37c087c3e8e4c249cdcdd89a5fa673613ddfc. 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/USUG11802573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a1736edda843e8ee4a197bc0e0838ea8dde0721db6138e2f109d57c6596cb6. 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/USUG11900368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57c0ad5d99442dd13e951877e69286c2978984e7a40bd72e531c2a24dd8023da. 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/USUG11900372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4280e30076946465300db3a07ef0bf1a2721ebe9bb1027fd25fa310e46c4337. 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/USUG11900375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d06a789285ee6e91204ecb076cf0497141abf5b9e3534273265af6592625c85. 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/USUG11802072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0ec152823901d8cd2cb721fc49092d9c41916728c05c508daafa6b0b11e27a0. 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/USUG11802357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b1f95cc7275e83412e41d287d4d8ed4441ba17f5020d058848451756d7d8f2a. 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/USUG11800852.