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 0xf01a179d06d1732cb78bcc173daee39fcfb814dc0307a199851ab1194cb8f2f0. 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/30648bd2-0c2f-4a47-87ba-bf8aaf6abffd.json and https://artists.proofprofile.net/proofs/artist/30648bd2-0c2f-4a47-87ba-bf8aaf6abffd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Exploring Voids (Inspired by 'The Outlaw Ocean' a book by Ian Urbina)
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 0xdadc7087d75ef380d07cba52fc9a2db0d0b0107a02354e4acd27ba8aa76219b5. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/DEQ022010214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88ee7fefd211c79405fc121e9eef838e69e6ad942e08fa20561aae4aa6655b58. Chain 2 (Bitcoin): anchored in block 958573 (2026-07-18T15:49:54Z), 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/DEQ022117077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf82a2fe225e69d1d53838a71345c08bc8d43faba05e3dcb151fa2638a8e8b2a3. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/DEZC62125734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf9ffd57915b54dad419a66257c0db670f01de80795c271ea68dbee03acc4db1. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/FRX202286228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a331a7b1c410597dec4227d4b0e66257fe5952b3bb8ce4495d0ada9b6d69b4b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/DEZC62278270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa62f41a24791b79d2a18bd3d5d7a6af835e7ec592530a5f0242d940c4402791d. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/DEZC62278271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecec8e0271927978e47dedb80e715baf407b6e8374f9ec4d8f135e3fd209c08b. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/DEZC62328887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x387709d9583875fcd5dca2fa07ff8ec1b3260fb1cbdecb8891c52109ab0b3fcb. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/FRX872448287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f978bbf6758447ae97959bb87222d8b1da584d10808cbf246ebc68424dcc883. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/FR9Z62400201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe244404f1e40f2c91ca3382017b921b4ac9640ea7a36a6cd32b8780bd9eda2f7. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T08:56:51Z), 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/FR9Z62400198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf39c86c6c309412b27d709549a579f7cecd5349bd726cf5b109066ba29c549e. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/FR9Z62400200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x195fe573f99cc548d03bdbd30be6da859bbf8ac2f5771146ecaacd763e8270f4. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR9Z62400783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9222f1e23ee27747b639ad292a46aea6aeea03b04705dfe8d89a610e6660dc. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/DGA0P2400487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81e5e864123993061635adc7ed58e172c99cb8c4c7f61ee65243554f8b15f239. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/FR10S2506384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0163ac6e5fae845b5370c5c71a9d612f295509b6381aad79bf2ad85f38c23b0c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FRX282545088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f4041e8de346a240c1f99660a7faeb0aef270ec2ee6792a10bc0c11c7498a3. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/FRX282545071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x262dabf197bea979259de331177cebe7bc175bed7da437c749351b09f8c868ad. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/FRX282545068.