are syllabaries used to write Japanese phonological units, morae. In current usage, kana most commonly refers to hiragana and katakana. It can also refer to their ancestor , which were Chinese charac
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 0x762030eda1d5bb19fc8ecb5c083fd1c1d9b214f775236656dd2c012aec3b2c80. 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/058dd5ae-f412-490f-883b-e430794891f3.json and https://artists.proofprofile.net/proofs/artist/058dd5ae-f412-490f-883b-e430794891f3.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 0x6d0c3606f25b399bd1cfd257127d84aaed8bdae7ee9e18d6d7d2f6187abca144. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:42:13Z), 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/FRZLS9900020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6b1e6eb71e3b908388b91bb3198c5132c8d29d9d3c0c81c10e1a82955dc95b6. 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/FRZLS9900030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe14276e06b218f127b57e57b72fac957b4296b759433056e9f3a136ed1fa4bc9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/FRZLS9900040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcb32d0be5197c8cb7805efea304a13377246326b2857d1921d246d9a09c6786. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/FRZLS9900050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf35af274686cce3fde437afe3b4709b8d6fdb8d0aec54637b047877467a4ce6e. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/FRZLS9900080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf409a7e0b49b70f1f4f25a27fd35ddaa48d49614575ec4a7a0d9e7a7a83d018. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/FRZLS9900090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f5a29b9b9f93266932555f3e1abfe784a9eac893f25980e4b407f0265db27c0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/FRZLS9900130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c92ca983f264486f968a00991c7b6f47949b33eac3db0c25fdb1194f62667c8. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/FRZLS0300120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e729104ea4b80aa631557b92105ec120cbc439932d96b5af7bd6730b96c5e6. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:32:44Z), 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/FRZLS0300100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa053d2c88694b19653328a3d566be785b3f6f309026d823ab9c50b2bdf340219. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/FRZLS0300020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01aebafee477fac5d044334c65d534873b8290838a5a2cd6a22bfc05b7235f2a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/FRZLS0300090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac6d3bd50aac9af864b454c8fb51bff517a97bc051b680465038100d4f5647eb. 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/FRZLS0300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb60524b0d6584488f0a5a15a2f11148e9101eac424bb1e7c484b546159e759d6. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-17T00:24:53Z), 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/FR6V80951863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44c8f1f3ba4a0f3b3d6517d33d8717cbd57a92f33c3efddde99ad0e8b6c3bf3. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FR6V80951866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a9a8d090f3ca61f05e3a29b39345b1fec0f950c804e60ba8b52ca564c48c01. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/FR1R21000027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe91c404a0b64d83e21e7f79e1a560b38375a537970bd0a1ecf906fa8599067d4. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FR1R21000028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70fd216c0d5448eb81f86ba5c174f2d3937552a4ed3787efe713d5ad6bdb7aa9. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/MGQ002010594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5590b773acaa67b07d171498c41ecbd7e552128b4df5479ccd7306a7472232. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/US6QR1100057.