1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xb0fd0dc4284d49f2e4c9fbb6c1e4dba8143e9c4b968138f255a62e40034af3cf. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/daabd4d4-f5bf-431f-9498-85f5a52cc2de.json and https://artists.proofprofile.net/proofs/artist/daabd4d4-f5bf-431f-9498-85f5a52cc2de.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 → block OTSBitcoinBlock must exist at that height 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 0x87b5c52293a47cdb50cf466d05514aec528b4f81707a0e0ca256f23114d617f7. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-17T03:44:43Z), 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/JPWP09003140.
香西かおりファーストリサイタル'91 ～大阪厚生年金会館ライヴ～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388fe68b274deb2dec8417d0e278a97bf3e188ce0c7ff2a6860eed81816a18a9. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/JPPO09206130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c2c5259df8d39e8d5d9eafc35e38d8b92b46c8459974686cb9e18a92d660424. 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/JPPO09300370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3b32c987e00349a608a0836be24f6ed5064e70a4ee6779ebfd3d3cf771e227. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/JPPO09305370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b6c25a020c6923e4b43714b05cdf3277a321d9d97d497ff144dfe6b8748d36b. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/JPPO09305380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc256badc771a8ddc4c36514d8908c7919267044d006da31c449fcb4e73021922. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:50:23Z), 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/JPPO09300380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbad543c6564f5716a18bde1876bafaa5a6284f48f07e5ab5c4312984adc33ff5. 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/JPPO09402110.
香西かおり 国立劇場リサイタル (1995年)
15周年記念リサイタル (Live At 中野サンプラザ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdcc1ecf14c9af4fbfa836b39c4deeb03c20aefad1c448f805c25cb47687f3ca. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/JPPO00636290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e2a8232609e5de84decb5cb7d967524a6e2a74f9d07c4669bf1bf3b3278bb68. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/JPPO01037440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x745dcebaca5b541c9b4dee316b9b780f25dee3722f21b4a2aab1d3211a35b676. 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/JPPO01205065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02976fa03866ebd54ca0854226c0f38825ccdcb623af84df1f2ff573fffdac44. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/JPPO00636110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d28e1cf7e5b834fd3b9cae43a1e3659bec28b542899baa49c7266588ece022e. 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/JPPO09306111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67f1f5f9c681206339842db38c9c64e309ec2dba194945a3cf072e6e78b40ee5. 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/JPPO01404211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566b6bcb7ab6ff56a4c4863e15b5767eb3bdd5f1ff747830643c0a32005793f7. 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/JPPO00507020.
香西かおり30周年全曲集 ～おかげさん～
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d44eb0b065a0a61a1d09d35e772e8b565778917fa3578451ebc4c4472a6bb9. 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/JPPO09404230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebfe6f915def42d16877836710e78869e186a0a8cb46cfcd6647fe3174dfbc10. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/JPPO00805770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd16c6755c42c22f68d69a667eb31f602cce456b0330df35c989f808d09f7f60. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/JPPO00003820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8925fbd78d123a17740b9e7ed92d7ca03a47b4a2b71179fc0c414ca104054c0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPPO01504356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b9f81fce51745617fc2a48201a4f71451224194bcc5fb50e829a8ea6eff64b0. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/JPPO09505510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c9e64f153bd7809290a3ab34cc466347b002cbac7cd0186acff92fbb0a873a3. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/JPPO01705979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0105244e832059bcf65cca5827ff58d4e91cc9fa3da6e91a703d04bd97ab174e. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/JPPO01707287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb317391a4828c4ae6e22f0e8ff2b1ccc7a5fce2d5aab0bdc3c536e0585621c. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPPO01205064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x179b564769f011df0227dd45732bc3388bbc197a8605044dcf581cdce0241b3f. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/JPPO09902060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8a6e75a062f3ed174a553403a61e5786098c151fa22e2f31c01540b59601ece. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPPO00635830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35d9fc30d515b51725fb90dd7462d9650586598953c00c0bfc8be3ee180dfedd. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPPO09505500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a06bfa6b72a5658b8d02518dc744ba5a4461fa55446214413c6244c952c94d8. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPPO01701120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc04543ec824f8131be7566f2a948882d223e34ae02353c73989ef7794282c201. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/JPPO00723630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c2c5259df8d39e8d5d9eafc35e38d8b92b46c8459974686cb9e18a92d660424. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPPO09300370.
香西かおりカラオケベストヒット全曲集2020
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62eb070d5f628c89a4aee800613a95203746a46a68b37c1b6503760c1f4b6c2. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/JPPO02000222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x833c756c2cee06cd853a94558d83c949a5f04fccf83ae9f2fb267d9a195f9905. 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/JPPO01901874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a4623b5e550ed52296404a0abf90890d9f505af9da62a7db1d9064ef03da23e. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:42:27Z), 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/JPPO02100071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd215391d9ea40f946483ffadbe6b0736b8155a386496e3d67fab299b67bcae6c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/JPPO02200354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9babe378ce00626abc59044d2e4b716ed2c12a808f885d8bfcb7266b3850e23. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/JPPO02203239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeabf8793b56089ff61099e122ff93daba4facc7be4955da6e2f103916dffbee. 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/JPPO02300985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8601eed140704d02d8274883abd51ff14006a7461c861551d0a7af4b291b7f95. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/JPPO02300986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d812481e6823d3ae1d9f1e81d65b158f0d7ad44ad812d3c97d1b59952cec0f. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/JPPO02400970.