Boshi may refer to: The Chinese word for the holder of a doctorate-level degree (博士), as transcribed in Hanyu Pinyin. See Doctor (title). The Chinese word for a court academician during the Han dyn
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 0x74e1b35ba934ffe076e1faac136ba7959fc2a2fe0f1a6d5feb94ef821bde8bda. 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/889a81bd-d0e9-4e48-8b34-d4ff59d5e041.json and https://artists.proofprofile.net/proofs/artist/889a81bd-d0e9-4e48-8b34-d4ff59d5e041.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 0x8be264622a2e3c76857dafb5d17d4a3721cedb2a625fac0f4438ba3489e24838. 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/CH7812362748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeac8b09c913554728fc3eb551fc627185c35c33c7a839ee8251c6412966e3a4c. 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/CH7812362746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde95ac601e946e4f571343b391fb8981bfc10112b711f1ab22c3f554797a10d0. 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/SE5IB2297374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2d8b90591c21b81630045fc55214943a8248e0709b2455d8d9de7f007fdae2c. 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/SE5IB2222273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b888a0081ad8cacf85118c4520f9aed3c3d667ee3615149395c2438099c57a4. 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/SE5IB2162326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb525da58f2441f67d2208497733b929db047d845eb65288a8ce4623dc49fa20f. 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/SE5IB2140105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf149414f0d3ceaf85284a87eaf1d1078bbbbab0af4187c6bb90dd880e4ffa1eb. 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/SE5IB2140096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8d7b48027fa1389e49d27450234145521a1e7e8d53e37f6ec591247dcc84194. 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/SE5IB2140087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6402d157f25daf5c64dcbe9185d3903abb42aca195e38647fb7152c808266809. 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/SE5IB2126281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d035ab985f14ac38cbb54fadcc8bf73de99713cc3048f27234fcc8897b558d8. 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/NLT2H2100543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f224191092373897c0398b7aeac63405b451efcf4117113bdb86aa1c266429. 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/GX38U2157305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9cd8e719ddeba4ee8d97f2c1f308f98adc13197f9bfca9a4fd9940e744a8bc. 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/NLT2H2100200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc6c177e252eb81749219755d05982aae90f75e40f1992e4632c909fb731dd7. 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/NLT2H2100201.