BOH or Boh may refer to: Places Boh (woreda), administrative division of Ethiopia Bohemia (BOH is the obsolete country code in FIFA and the International Olympic Committee) Bohol, Philippines (I
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 0x6e0858b590f6581d171857d368e406a5cbb9601eaf47ed7d752ef5992a89e7b7. 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/f0f83e10-bb75-46fb-84e9-5ee26130149d.json and https://artists.proofprofile.net/proofs/artist/f0f83e10-bb75-46fb-84e9-5ee26130149d.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 0x5f8565cb4e07babd4bb970107016a77ff54499fb692a52bc76f7afea086ef1ed. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/USATJ2311401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x321a70bed731c6103469afc171739dfa62b884606ecaff3029d74a2fb97fd2cd. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/USATJ2311601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabd1f197406b62c6578820f1d0cf183ec5bc114b39790a311f1c0b6463dc3af. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USATJ2312001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9654c6c03c6d7c4c491402c6e3a511eb9dbe759666c486e98e9c11784cc0bbd2. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/USATJ2312201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedab24cd4b896caf9e248801c55b0badbc220a45f2794a8f79f23ee98894d9f1. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USATJ2412501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d5804156911b343bd7727a55e30e53d8cd4bec4639bdc8c09ab6a6c6fd751f. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/USATJ2412602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dab975144d14c365d4dd9fce6ea8d908d7518f912959b30c75588991b0cbd53. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/USATJ2311301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8565cb4e07babd4bb970107016a77ff54499fb692a52bc76f7afea086ef1ed. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USATJ2311401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d5804156911b343bd7727a55e30e53d8cd4bec4639bdc8c09ab6a6c6fd751f. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/USATJ2412602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x321a70bed731c6103469afc171739dfa62b884606ecaff3029d74a2fb97fd2cd. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/USATJ2311601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca4e1e722cf4ff10208c08c72494fa02a9e84ee8e6af86b52e0831a486eaeeec. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/USATJ2412604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9198f56e413da132dc0c57d555c431423c792f13b5eea6bb9e07ea636df765b. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/USATJ2412606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9654c6c03c6d7c4c491402c6e3a511eb9dbe759666c486e98e9c11784cc0bbd2. 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/USATJ2312201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2b09365cf3346df5ef6d5278d3770a811146f60b4ac8a43929565c1a4c8787d. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USATJ2412601.